PatchTheCVECVE-2024-38861: Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to inter
CVE-2024-38861 is a high-severity flaw (CVSS 7.4) affecting mikrotik. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.4 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 91%) |
| CISA exploited list | No |
| Weakness | CWE-295 |
| Published | 2024-09-27 |
| 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-2024-38861?
mikrotik: upgrade to newer than 2.5.5. Exact commands for each OS are on this page.
Is CVE-2024-38861 being exploited?
CVE-2024-38861 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-2024-38861 affect?
CVE-2024-38861 affects mikrotik. Severity is high (CVSS 7.4). Improper Certificate Validation in Checkmk Exchange plugin MikroTik allows attackers in MitM position to intercept traffic. This issue affects MikroTik: from 2.0.0 through 2.5.5, from 0.4a_mk through 2.0a.
How urgent is CVE-2024-38861?
Priority 33/100. High severity; Remotely exploitable, no login, no user action