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TI-2021-15387 Aliases CVE-2021-37457GHSA-mmq7-4wfx-jq6v

Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the SipRule field (stored).

Why it matters now

EPSS 0.00622 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nchsoftware:axon_pbx:*:*:*:*:*:*:*:*up to 2.22VulnerableNchsoftware
  • cpe:2.3:a:nchsoftware:axon_pbx:*:*:*:*:*:*:*:* Versions up to 2.22 Vulnerable ·Nchsoftware

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-37457
  2. 2026-10-03 Alias added: GHSA-mmq7-4wfx-jq6v
  3. 2026-11-05 EPSS moved to the 50th–90th percentile

References

Exploit 1

Other 1

  • TI-2021-15392 Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via /ipblacklist?errorip= (reflected). CVSS 3.1MEDIUM 5.4
  • TI-2021-15391 Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via /extensionsinstruction?id= (reflected). CVSS 3.1MEDIUM 5.4
  • TI-2021-15390 Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via /planprop?id= (reflected). CVSS 3.1MEDIUM 5.4
  • TI-2021-15389 Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the customer name field (stored). CVSS 3.1MEDIUM 5.4
  • TI-2021-15388 Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the primary phone field (stored). CVSS 3.1MEDIUM 5.4
  • TI-2021-15386 Cross Site Scripting (XSS) exists in NCH Axon PBX v2.22 and earlier via the blacklist IP address (stored). CVSS 3.1MEDIUM 5.4
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences