CVE-2021-20135

Nessus versions 8.15.2 and earlier were found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. Tenable has included a fix for this issue in Nessus 10.0.0. The installation files can be obtained from the Tenable Downloads Portal (https://www.tenable.com/downloads/nessus).

CVSS v3 6.7 MEDIUM
CVSS v2.0 4.6 MEDIUM

6.7^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://www.tenable.com/security/tns-2021-18	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-11-03 00:15

Updated : 2022-07-12 17:42

NVD link : CVE-2021-20135

Mitre link : CVE-2021-20135

CVE.ORG link : CVE-2021-20135

JSON object : View

Products Affected

tenable

nessus

CWE

NVD-CWE-noinfo

{"id": "CVE-2021-20135", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2021-11-03T00:15:07.620", "references": [{"url": "https://www.tenable.com/security/tns-2021-18", "tags": ["Vendor Advisory"], "source": "vulnreport@tenable.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Nessus versions 8.15.2 and earlier were found to contain a local privilege escalation vulnerability which could allow an authenticated, local administrator to run specific executables on the Nessus Agent host. Tenable has included a fix for this issue in Nessus 10.0.0. The installation files can be obtained from the Tenable Downloads Portal (https://www.tenable.com/downloads/nessus)."}, {"lang": "es", "value": "Se ha detectado que Nessus versiones 8.15.2 y anteriores, contienen una vulnerabilidad de escalada de privilegios local que podr\u00eda permitir a un administrador local autenticado ejecutar determinados ejecutables en el host del Agente Nessus. Tenable ha incluido una correcci\u00f3n para este problema en Nessus versi\u00f3n 10.0.0. Los archivos de instalaci\u00f3n pueden obtenerse en el portal de descargas de Tenable (https://www.tenable.com/downloads/nessus)"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "900022D2-EEAC-4F91-9458-FFCF19255C20", "versionEndIncluding": "8.15.2"}], "operator": "OR"}]}], "sourceIdentifier": "vulnreport@tenable.com"}