What is the CVSS score of CVE-2019-8351?

CVE-2019-8351 has a CVSS 3.0 base score of 9.1 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N. EPSS exploitation probability: 1.3%.

Thor CVE-2019-8351

CRITICAL

Improper Certificate Validation (CWE-295)

2019-03-21 cve@mitre.org

Information Disclosure Thor

9.1

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.1 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

Mar 21, 2019 - 21:29 nvd

CRITICAL 9.1

DescriptionNVD

AnalysisAI

Heimdal Thor Agent 2.5.17x before 2.5.173 does not verify X.509 certificates from TLS servers, which allows remote attackers to spoof servers and obtain sensitive information via a crafted. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-295. Heimdal Thor Agent 2.5.17x before 2.5.173 does not verify X.509 certificates from TLS servers, which allows remote attackers to spoof servers and obtain sensitive information via a crafted certificate. Affected products include: Heimdalsecurity Thor. Version information: before 2.5.173.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.