{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-13833", "assignerOrgId": "a14582b7-06f4-4d66-8e82-3d7ba3739e88", "state": "PUBLISHED", "assignerShortName": "Forescout", "dateReserved": "2025-12-01T17:04:43.194Z", "datePublished": "2026-10-26T20:34:03.630Z", "dateUpdated": "2026-10-26T20:34:03.630Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "a14582b7-06f4-4d66-8e82-3d7ba3739e88", "shortName": "Forescout", "dateUpdated": "2026-10-26T20:34:03.630Z"}, "title": "Insecure TLS Fingerprint Validation in ForeScout SecureConnector Configuration Enables Remote Code Execution", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-295", "description": "CWE-295 Improper Certificate Validation", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-115", "descriptions": [{"lang": "en", "value": "CAPEC-115 Authentication Bypass"}]}], "affected": [{"vendor": "Forescout Technologies", "product": "SecureConnector", "platforms": ["Windows"], "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "11.3.20", "versionType": "custom"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A vulnerability exists in SecureConnector for Windows when the \u201cAdditional Appliance Connections\u201d setting is enabled and the agent\u2019s configuration file contains more than three trusted\u2011server entries. Some entries omit TLS certificate fingerprints, which allows the agent to accept and establish sessions with a malicious server. An attacker who controls the wired or wireless network can redirect traffic to a malicious server. The attacker can then use the agent\u2019s built\u2011in command/file features to execute arbitrary commands as SYSTEM, granting full administrative control and the ability to disable endpoint protections or exfiltrate data.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "A vulnerability exists in SecureConnector for Windows when the \u201cAdditional Appliance Connections\u201d setting is enabled and the agent\u2019s configuration file contains more than three trusted\u2011server entries. Some entries omit TLS certificate fingerprints, which allows the agent to accept and establish sessions with a malicious server. An attacker who controls the wired or wireless network can redirect traffic to a malicious server. The attacker can then use the agent\u2019s built\u2011in command/file features to execute arbitrary commands as SYSTEM, granting full administrative control and the ability to disable endpoint protections or exfiltrate data.\n\n<br>"}]}], "references": [{"url": "https://support.forescout.com"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.7, "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}], "credits": [{"lang": "en", "value": "Hubert Seiwert", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "platforms": ["Windows"], "product": "SecureConnector", "vendor": "Forescout Technologies", "versions": [{"lessThanOrEqual": "11.3.20", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "a14582b7-06f4-4d66-8e82-3d7ba3739e88"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability exists in SecureConnector for Windows when the \u201cAdditional Appliance Connections\u201d setting is enabled and the agent\u2019s configuration file contains more than three trusted\u2011server entries. Some entries omit TLS certificate fingerprints, which allows the agent to accept and establish sessions with a malicious server. An attacker who controls the wired or wireless network can redirect traffic to a malicious server. The attacker can then use the agent\u2019s built\u2011in command/file features to execute arbitrary commands as SYSTEM, granting full administrative control and the ability to disable endpoint protections or exfiltrate data."}], "id": "CVE-2025-13833", "lastModified": "2026-10-26T21:17:01.887", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "ADJACENT", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.7, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "a14582b7-06f4-4d66-8e82-3d7ba3739e88", "type": "Secondary"}]}, "published": "2026-10-26T21:17:01.887", "references": [{"source": "a14582b7-06f4-4d66-8e82-3d7ba3739e88", "url": "https://support.forescout.com"}], "sourceIdentifier": "a14582b7-06f4-4d66-8e82-3d7ba3739e88", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-295"}], "source": "a14582b7-06f4-4d66-8e82-3d7ba3739e88", "type": "Secondary"}]}

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