PT-2021-21671 · Nch · Nch Axon Pbx

Published 2021-07-25 · Updated 2021-07-28 · CVE-2021-37457

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 SipRule field. This issue allows for stored XSS attacks.

Recommendations For versions 2.22 and earlier, consider disabling the SipRule field until a patch is available to prevent potential XSS attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-37457

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-2021-37457 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-37457 · Security Note
• https://nch.com.au/pbx/index.html · Note
• https://t.me/cvenotify/18086 · Telegram Post