What is the CVSS score of CVE-2022-27495?

CVE-2022-27495 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.3%.

Nginx Service Mesh CVE-2022-27495

MEDIUM

Missing Authentication for Critical Function (CWE-306)

2022-05-05 f5sirt@f5.com

Authentication Bypass Nginx Nginx Service Mesh

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVE Published

May 05, 2022 - 17:15 nvd

MEDIUM 6.5

DescriptionNVD

On all versions 1.3.x (fixed in 1.4.0) NGINX Service Mesh control plane endpoints are exposed to the cluster overlay network. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

AnalysisAI

On all versions 1.3.x (fixed in 1.4.0) NGINX Service Mesh control plane endpoints are exposed to the cluster overlay network. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. On all versions 1.3.x (fixed in 1.4.0) NGINX Service Mesh control plane endpoints are exposed to the cluster overlay network. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated Affected products include: F5 Nginx Service Mesh.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.