PT-2022-12474 · Nginx+2 · Nginx+2

Published 2022-03-18 · Updated 2024-03-06 · CVE-2021-45967

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Pascom Cloud Phone System versions prior to 7.20.x

Description A configuration error between NGINX and a backend Tomcat server leads to a path traversal in the Tomcat server, exposing unintended endpoints.

Recommendations For versions prior to 7.20.x, update to version 7.20.x or later to resolve the issue. As a temporary workaround, consider restricting access to the Tomcat server to minimize the risk of exploitation.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

BIT-OPENFIRE-2021-45967

CVE-2021-45967

Affected Products

Nginx

Pascom Cloud Phone System

Apache Tomcat

References · 9

• 🔥 https://tutorialboy24.blogspot.com/2022/03/the-story-of-3-bugs-that-lead-to.html · Exploit
• 🔥 https://kerbit.io/research/read/blog/4 · Exploit
• https://osv.dev/vulnerability/BIT-openfire-2021-45967 · Vendor Advisory
• https://pascom.net/doc/en/release-notes/pascom19 · Vendor Advisory
• https://pascom.net/doc/en/release-notes · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-45967 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45967 · Security Note
• https://t.me/cvenotify/66098 · Telegram Post
• https://t.me/cibsecurity/39189 · Telegram Post