272 lines
12 KiB
JSON
272 lines
12 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"cveMetadata": {
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"cveId": "CVE-2026-3611",
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"assignerOrgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
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"state": "PUBLISHED",
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"assignerShortName": "icscert",
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"dateReserved": "2026-03-05T18:12:38.425Z",
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"datePublished": "2026-03-12T20:06:05.753Z",
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"dateUpdated": "2026-03-30T15:26:08.604Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "7d14cffa-0d7d-4270-9dc0-52cabd5a23a6",
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"shortName": "icscert",
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"dateUpdated": "2026-03-30T15:26:08.604Z"
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},
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"title": "Honeywell IQ4x BMS Controller Missing authentication for critical function",
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"datePublic": "2026-03-10T17:00:00.000Z",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-306",
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"description": "CWE-306 Missing authentication for critical function",
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"type": "CWE"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Honeywell",
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"product": "IQ4E",
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"versions": [
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{
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"status": "affected",
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"version": "v3.50_3.44",
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"lessThanOrEqual": "4.36 (build 4.3.7.9)",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "Honeywell",
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"product": "IQ412",
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"versions": [
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{
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"status": "affected",
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"version": "v3.50_3.44",
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"lessThanOrEqual": "4.36 (build 4.3.7.9)",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "Honeywell",
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"product": "IQ422",
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"versions": [
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{
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"status": "affected",
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"version": "v3.50_3.44",
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"lessThanOrEqual": "4.36 (build 4.3.7.9)",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "Honeywell",
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"product": "IQ4NC",
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"versions": [
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{
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"status": "affected",
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"version": "v3.50_3.44",
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"lessThanOrEqual": "4.36 (build 4.3.7.9)",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "Honeywell",
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"product": "IQ41x",
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"versions": [
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{
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"status": "affected",
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"version": "v3.50_3.44",
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"lessThanOrEqual": "4.36 (build 4.3.7.9)",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "Honeywell",
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"product": "IQ3",
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"versions": [
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{
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"status": "affected",
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"version": "v3.50_3.44",
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"lessThanOrEqual": "4.36 (build 4.3.7.9)",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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},
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{
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"vendor": "Honeywell",
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"product": "IQECO",
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"versions": [
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{
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"status": "affected",
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"version": "v3.50_3.44",
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"lessThanOrEqual": "4.36 (build 4.3.7.9)",
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"versionType": "custom"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "The Honeywell IQ4x building management controller, exposes its full web-based HMI without authentication in its factory-default configuration. With no user module configured, security is disabled by design and the system operates under a System Guest (level 100) context, granting read/write privileges to any party able to reach the HTTP interface. Authentication controls are only enforced after a web user is created via U.htm, which dynamically enables the user module. Because this function is accessible prior to authentication, a remote user can create a new account with administrative read/write permissions enabling the user module and imposing authentication under attacker-controlled credentials. This action can effectively lock legitimate operators out of local and web-based configuration and administration.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "The Honeywell IQ4x building management controller, exposes its full web-based HMI without authentication in its factory-default configuration. With no user module configured, security is disabled by design and the system operates under a System Guest (level 100) context, granting read/write privileges to any party able to reach the HTTP interface. Authentication controls are only enforced after a web user is created via U.htm, which dynamically enables the user module. Because this function is accessible prior to authentication, a remote user can create a new account with administrative read/write permissions enabling the user module and imposing authentication under attacker-controlled credentials. This action can effectively lock legitimate operators out of local and web-based configuration and administration."
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}
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]
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}
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],
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"references": [
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{
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"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-069-03"
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},
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{
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"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-069-03.json"
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},
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{
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"url": "https://www.honeywell.com/us/en/contact"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "HIGH",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "CRITICAL",
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"baseScore": 10,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"
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}
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},
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "CRITICAL",
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"baseScore": 10,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H"
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}
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}
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],
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"workarounds": [
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{
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"lang": "en",
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"value": "Honeywell is aware of the issue, but has not released a fix. For more \ninformation, contact Honeywell directly. \n[https://www.honeywell.com/us/en/contact](https://www.honeywell.com/us/en/contact).",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "Honeywell is aware of the issue, but has not released a fix. For more \ninformation, contact Honeywell directly. \n[https://www.honeywell.com/us/en/contact](https://www.honeywell.com/us/en/contact)."
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}
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]
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Gjoko Krstic of Zero Science reported this vulnerability to Honeywell.",
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"type": "finder"
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}
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],
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"source": {
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"advisory": "ICSA-26-069-03",
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-03-13T18:02:46.954644Z",
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"id": "CVE-2026-3611",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-03-13T18:03:02.081Z"
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}
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}
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]
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},
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"dataVersion": "5.2"
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} |