194 lines
8.0 KiB
JSON
194 lines
8.0 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-66720",
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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": "2026-07-27T19:32:49.387Z",
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"datePublished": "2026-07-30T22:46:52.453Z",
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"dateUpdated": "2026-07-31T15:58:46.395Z"
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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": "2026-07-30T22:46:52.453Z"
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},
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"title": "MZ Automation libiec61850 Out-of-bounds Read",
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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-125",
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"description": "CWE-125",
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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": "MZ Automation GmbH",
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"product": "libiec61850",
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"versions": [
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{
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"status": "affected",
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"version": "0",
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"lessThan": "1.6.2",
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"versionType": "custom"
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},
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{
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"status": "unaffected",
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"version": "1.6.2"
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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 GOOSE subscriber component improperly validates the UTC timestamp \nfield in unauthenticated IEC 61850 GOOSE (EtherType 0x88B8) Layer-2 \nmulticast messages. A specially crafted GOOSE frame containing an \nundersized timestamp field can trigger a heap out-of-bounds read during \nmessage processing, causing the process to crash and resulting in a \ndenial-of-service condition.",
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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 GOOSE subscriber component improperly validates the UTC timestamp \nfield in unauthenticated IEC 61850 GOOSE (EtherType 0x88B8) Layer-2 \nmulticast messages. A specially crafted GOOSE frame containing an \nundersized timestamp field can trigger a heap out-of-bounds read during \nmessage processing, causing the process to crash and resulting in a \ndenial-of-service condition."
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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-26-211-10"
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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-26-211-10.json"
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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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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "ADJACENT_NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH",
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"baseSeverity": "MEDIUM",
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"baseScore": 6.5,
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"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A: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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"cvssV4_0": {
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"attackVector": "ADJACENT",
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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": "NONE",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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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": "HIGH",
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"baseScore": 7.1,
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"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
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}
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}
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],
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"solutions": [
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{
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"lang": "en",
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"value": "MZ Automation GmbH recommends that users update to version 1.6.2.",
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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": "MZ Automation GmbH recommends that users update to version 1.6.2."
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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": "Arun Babu of Central Power Research Institute reported this vulnerability to CISA.",
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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-26-211-10",
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.4"
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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": "2026-07-31T15:58:19.286751Z",
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"id": "CVE-2026-66720",
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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": "no"
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},
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{
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"Technical Impact": "partial"
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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": "2026-07-31T15:58:46.395Z"
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}
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}
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]
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}
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} |