What is CVE-2022-27495?

CVE-2022-27495 is a medium-severity vulnerability in F5 nginx Service Mesh, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2022-05-05.

How severe is CVE-2022-27495?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in F5 nginx Service Mesh

CVE-2022-27495

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

Vulnerability class: Broken Authentication

EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

F5 Nginx Service Mesh — versions 1.3.x, 1.4.0
F5 Nginx_service_mesh — versions 1.3.0, 1.3.1

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

f5sirt@f5.com (x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-27495?: CVE-2022-27495 is a medium-severity vulnerability in F5 nginx Service Mesh, classified under Missing Authentication for Critical Function. CVSS score: 6.5/10. Published 2022-05-05.
How severe is CVE-2022-27495?: Medium severity. CVSS v3 base score is 6.5 out of 10.