256 lines
11 KiB
JSON
256 lines
11 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-2026-45393",
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"assignerOrgId": "af879a92-7297-456a-bb0e-905ac6c64bdc",
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"state": "PUBLISHED",
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"assignerShortName": "Cribl",
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"dateReserved": "2026-05-12T01:05:53.672Z",
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"datePublished": "2026-05-12T01:06:27.220Z",
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"dateUpdated": "2026-06-02T15:55:07.304Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "af879a92-7297-456a-bb0e-905ac6c64bdc",
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"shortName": "Cribl",
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"dateUpdated": "2026-06-02T15:55:07.304Z"
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},
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"title": "Local privilege escalation to SYSTEM in Cribl Edge for Windows",
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"datePublic": "2026-04-20T00:00:00.000Z",
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"descriptions": [
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{
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"lang": "en",
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"value": "A vulnerability chain in Cribl Edge for Windows before 4.17.1 allows a local authenticated user to escalate privileges to NT AUTHORITY\\SYSTEM. Incorrect default permissions on the Windows installer's authentication directory (CWE-276) expose a cryptographic secret used for JWT signing and password-hash derivation, enabling forgery of administrative API tokens. The forged token can then be used to invoke a pipeline function that reaches an OS command sink (CWE-78) running in the SYSTEM context.",
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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": "<p>A vulnerability chain in Cribl Edge for Windows before 4.17.1 allows a local authenticated user to escalate privileges to NT AUTHORITY\\SYSTEM. Incorrect default permissions on the Windows installer's authentication directory (CWE-276) expose a cryptographic secret used for JWT signing and password-hash derivation, enabling forgery of administrative API tokens. The forged token can then be used to invoke a pipeline function that reaches an OS command sink (CWE-78) running in the SYSTEM context.</p>"
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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": "Cribl",
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"product": "Cribl Edge",
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"platforms": [
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"Windows"
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],
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"lessThan": "4.17.1",
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"versionType": "semver"
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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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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"cweId": "CWE-276",
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"description": "CWE-276 Incorrect Default Permissions"
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}
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]
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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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"type": "CWE",
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"cweId": "CWE-78",
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"description": "CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-69",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-69 Target Programs with Elevated Privileges"
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}
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]
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},
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{
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"capecId": "CAPEC-233",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-233 Privilege Escalation"
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}
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]
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},
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{
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"capecId": "CAPEC-88",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-88 OS Command Injection"
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}
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]
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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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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"baseScore": 8.5,
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"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "PROOF_OF_CONCEPT",
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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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}
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"references": [
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{
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"url": "https://docs.cribl.io/edge/release-notes/release-v4171#security-fixes",
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"name": "Cribl Edge 4.17.1 Security Fixes",
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"tags": [
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"release-notes"
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]
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},
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{
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"url": "https://trust.cribl.io/notifications",
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"name": "Cribl Trust Portal",
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"tags": [
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"vendor-advisory"
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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": "Upgrade Cribl Edge to v4.17.1 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.",
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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": "<p>Upgrade Cribl Edge to v4.17.1 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.</p>"
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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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"type": "finder",
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"value": "Abdulaziz M. Almetairy, Saudi Aramco"
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}
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]
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},
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"adp": [
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{
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "CWE",
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"cweId": "CWE-20",
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"lang": "en",
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"description": "CWE-20 Improper Input Validation"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 9.8,
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"attackVector": "NETWORK",
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"baseSeverity": "CRITICAL",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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"integrityImpact": "HIGH",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"confidentialityImpact": "HIGH"
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}
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},
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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": "2026-05-15T10:57:55.624673Z",
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"id": "CVE-2026-45393",
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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": "2026-05-15T20:04:21.419Z"
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}
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}
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]
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}
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} |