PatchTheCVECVE-2025-55109: An authentication bypass vulnerability exists in the out-of-support Control-M/Agent versions 9.0.18 to 9.0.20
CVE-2025-55109 is a critical-severity flaw (CVSS 9.0) affecting control-m\/agent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An authentication bypass vulnerability exists in the out-of-support Control-M/Agent versions 9.0.18 to 9.0.20 and potentially earlier unsupported versions when using an empty or default kdb keystore or a default PKCS#12 keystore. A remote attacker with access to a signed third-party or demo certificate for client authentication can bypass the need for a certificate signed by the certificate authority of the organization during authentication on t
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.0 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 71%) |
| CISA exploited list | No |
| Weakness | CWE-295 |
| Published | 2025-09-16 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-55109?
control-m\/agent: upgrade to newer than 9.0.22. Exact commands for each OS are on this page.
Is CVE-2025-55109 being exploited?
CVE-2025-55109 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-55109 affect?
CVE-2025-55109 affects control-m\/agent. Severity is critical (CVSS 9.0). An authentication bypass vulnerability exists in the out-of-support Control-M/Agent versions 9.0.18 to 9.0.20 and potentially earlier unsupported versions when using an empty or default kdb keystore or a default PKCS#12 keystore. A remote a
How urgent is CVE-2025-55109?
Priority 44/100. Critical severity; Remotely exploitable, no login, no user action
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