PT-2021-21670 · Nch · Nch Axon Pbx

Published 2021-07-25 · Updated 2021-07-28 · CVE-2021-37456

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 blacklist IP address (stored).

Recommendations For versions 2.22 and earlier, consider disabling the blacklist IP address feature until a patch is available. Restrict access to the affected area to minimize the risk of exploitation.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-37456

Affected Products

Nch Axon Pbx

References · 5

• 🔥 https://github.com/0xfml/poc/blob/main/NCH/Axon_2.22_XSS.md · Exploit
• https://osv.dev/vulnerability/CVE-2021-37456 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37456 · Security Note
• https://t.me/cvenotify/18087 · Telegram Post
• https://nch.com.au/pbx/index.html · Note