🛡️ CVE-2022-21196 — a5x-firmware

🔴 CVSS 10.0 — Critical ✅ No Known Exploit CWE-285 NVD
10.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

MMP: All versions prior to v1.0.3, PTP C-series: Device versions prior to v2.8.6.1, and PTMP C-series and A5x: Device versions prior to v2.5.4.1 does not perform proper authorization and authentication checks on multiple API routes. An attacker may gain access to these API routes and achieve remote code execution, create a denial-of-service condition, and obtain sensitive information.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2022-21196 is classified as CWE-285: Improper Authorization. A request is carried out without confirming that the caller is permitted to perform it on that specific resource.

Affected software

CVE-2022-21196 is recorded against 5 packages.

  • a5x-firmware (fixed in 2.5.4.1)
  • c5c-firmware (fixed in 2.8.6.1)
  • c5x-firmware (fixed in 2.8.6.1)
  • c6x-firmware (fixed in 2.8.6.1)
  • mimosa-management-platform (fixed in 1.0.3)

Timeline and source

Published on 18 February 2022 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.cisa.gov
www.cisa.gov

Details

Severity CRITICAL
CVSS Score 10.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE CWE-285
Public Exploit ✅ No
Source NVD
Published 2022-02-18
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
a5x-firmware — 2.5.4.1
c5c-firmware — 2.8.6.1
c5x-firmware — 2.8.6.1
c6x-firmware — 2.8.6.1
mimosa-management-platform — 1.0.3

References

Third Party Advisory, US Government Resource https://www.cisa.gov/uscert/ics/advisories/icsa-22-034-02
Third Party Advisory, US Government Resource https://www.cisa.gov/uscert/ics/advisories/icsa-22-034-02

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Exploit Protection

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