Lack of TLS validation in plugin MikroTik on Checkmk Exchange
Priority LOW 22CWE-295Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-295.
Summary
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 it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00189 8th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | MikroTik | 2.0.0 – 2.5.5; 0.4a_mk – 2.0a | — | No fix listed | CNA |
- MikroTik Vendor— Affected 2.0.0 – 2.5.5; 0.4a_mk – 2.0a Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tomtretbar:mikrotik:*:*:*:*:*:checkmk:*:* | up to 2.5.5 | Vulnerable | Tomtretbar |
- cpe:2.3:a:tomtretbar:mikrotik:*:*:*:*:*:checkmk:*:* Versions up to 2.5.5 Vulnerable ·Tomtretbar
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-38861
- 2026-10-03 Alias added: GHSA-r232-jmqm-j6g6
References
Advisory 1
Sources
- CVE-2024-38861 · CVE Program
- CVE-2024-38861 · NVD
- FIRST EPSS
- GHSA-r232-jmqm-j6g6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences