What is the CVSS score of CVE-2019-6266?

CVE-2019-6266 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.2%.

Bestinformed CVE-2019-6266

CRITICAL

Improper Certificate Validation (CWE-295)

2019-02-25 cve@mitre.org

Microsoft Information Disclosure Bestinformed

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

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:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Feb 25, 2019 - 23:29 nvd

CRITICAL 9.8

DescriptionNVD

Cordaware bestinformed Microsoft Windows client before 6.2.1.0 is affected by insecure SSL certificate verification and insecure access patterns. These issues allow remote attackers to downgrade encrypted connections to cleartext.

AnalysisAI

Cordaware bestinformed Microsoft Windows client before 6.2.1.0 is affected by insecure SSL certificate verification and insecure access patterns. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-295. Cordaware bestinformed Microsoft Windows client before 6.2.1.0 is affected by insecure SSL certificate verification and insecure access patterns. These issues allow remote attackers to downgrade encrypted connections to cleartext. Affected products include: Cordaware Bestinformed. Version information: before 6.2.1.0.

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.