🛡️ CVE-2022-21143 — a5x-firmware

🟠 CVSS 7.5 — High ✅ No Known Exploit CWE-78 NVD
7.5
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 properly sanitize user input on several locations, which may allow an attacker to inject arbitrary commands.

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 unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.

Weakness class

CVE-2022-21143 is classified as CWE-78: OS Command Injection. Untrusted input reaches a shell command without neutralisation, so an attacker can run arbitrary operating system commands.

Affected software

CVE-2022-21143 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 HIGH
CVSS Score 7.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CWE CWE-78
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

Similar Threats

Site Security Check

Is a5x-firmware part of your stack?

CVE-2022-21143 is rated CVSS 7.5 High. BotEraser scans your installation against known CVE records and tells you whether this vulnerability applies to the versions you actually run.

Scan My Site Free →

No credit card required  ·  Results in minutes

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.