PT-2022-2553 · Nginx · Nginx Service Mesh

Published 2022-04-19 · Updated 2022-05-13 · CVE-2022-27495

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions NGINX Service Mesh versions prior to 1.4.0

Description The issue is related to the lack of authentication for a critical function in NGINX Service Mesh, allowing a remote attacker to bypass the authentication process. This exposes the control plane endpoints to the cluster overlay network.

Recommendations For versions prior to 1.4.0, update to version 1.4.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the control plane endpoints to minimize the risk of exploitation.

Fix

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

BDU:2022-02978

CVE-2022-27495

Affected Products

Nginx Service Mesh

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2022-27495 · Security Note
• https://osv.dev/vulnerability/CVE-2022-27495 · Vendor Advisory
• https://support.f5.com/csp/article/K94093538 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-02978 · Security Note
• https://vuldb.com/?id.199156 · Note
• https://cybersecurity-help.cz/vdb/SB2022050517 · Note