PT-2021-21667 · Nch · Nch Axon Pbx

Published 2021-07-25 · Updated 2021-07-28 · CVE-2021-37453

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions NCH Axon PBX versions 2.22 and earlier

Description Cross Site Scripting (XSS) exists via the extension name (stored).

Recommendations For versions 2.22 and earlier, update to a version later than 2.22 to resolve the issue. As a temporary workaround, consider restricting access to the extension name field to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-37453

Affected Products

Nch Axon Pbx

References · 5

• 🔥 https://github.com/0xfml/poc/blob/main/NCH/Axon_2.22_XSS.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-37453 · Security Note
• https://osv.dev/vulnerability/CVE-2021-37453 · Vendor Advisory
• https://nch.com.au/pbx/index.html · Note
• https://t.me/cvenotify/18090 · Telegram Post