CVE-2021-37457
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).
- Record
CVE-2021-37457- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).
- Record
CVE-2021-37457- Updated
- 2026-11-02
EUVDEUVD-2021-24022 No score
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).
- Record
EUVD-2021-24022- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mmq7-4wfx-jq6v No score
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).
- Record
GHSA-mmq7-4wfx-jq6v- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-37457 is a medium vulnerability (CVSS 5.4) in Nchsoftware Axon Pbx, published July 25, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. No source names a fixed version.