PatchTheCVECVE-2024-26529: An issue in mz-automation libiec61850 v.1.5.3 and before, allows a remote attacker to cause a denial of servic
CVE-2024-26529 is a high-severity flaw (CVSS 7.5) affecting libiec61850. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An issue in mz-automation libiec61850 v.1.5.3 and before, allows a remote attacker to cause a denial of service (DoS) via the mmsServer_handleDeleteNamedVariableListRequest function of src/mms/iso_mms/server/mms_named_variable_list_service.c.
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 44%) |
| CISA exploited list | No |
| Published | 2024-03-13 |
| 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-2024-26529?
libiec61850: upgrade to newer than 1.5.3. Exact commands for each OS are on this page.
Is CVE-2024-26529 being exploited?
CVE-2024-26529 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-2024-26529 affect?
CVE-2024-26529 affects libiec61850. Severity is high (CVSS 7.5). An issue in mz-automation libiec61850 v.1.5.3 and before, allows a remote attacker to cause a denial of service (DoS) via the mmsServer_handleDeleteNamedVariableListRequest function of src/mms/iso_mms/server/mms_named_variable_list_service.
How urgent is CVE-2024-26529?
Priority 50/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
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- CVE-2024-45970 CRITICAL 9.8 UPGRADE Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit ac925fae8e281ac6defcd63
- CVE-2024-28286 HIGH 7.5 DOWNGRADE In mz-automation libiec61850 v1.4.0, a NULL Pointer Dereference was detected in the mmsServer_handleFileCloseR
- CVE-2024-25366 MEDIUM 6.2 DOWNGRADE Buffer Overflow vulnerability in mz-automation.de libiec61859 v.1.4.0 allows a remote attacker to cause a deni