CVE-2021-37456
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the blacklist IP address ...
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the blacklist IP address (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 blacklist IP address (stored).
- Record
CVE-2021-37456- 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 blacklist IP address (stored).
- Record
CVE-2021-37456- Updated
- 2026-11-02
EUVDEUVD-2021-24021 No score
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the blacklist IP address (stored).
- Record
EUVD-2021-24021- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-wr7f-jq3g-39hr No score
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the blacklist IP address ...
Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the blacklist IP address (stored).
- Record
GHSA-wr7f-jq3g-39hr- 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-2021-37456 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 0.59%, the 48th percentile. No source names a fixed version.