CVE-2024-45971
CWE-120Published: November 15, 2024· Updated: Jun 17, 2026
Official Description
Multiple Buffer overflows in the MMS Client in MZ Automation LibIEC61850 before commit 1f52be9ddeae00e69cd43e4cac3cb4f0c880c4f0 allow a malicious server to cause a stack-based buffer overflow via the MMS IdentifyResponse message.
Risk Analysis
A critical stack-based buffer overflow exists in the MMS Client of MZ Automation LibIEC61850, triggered by a malicious IdentifyResponse message. With a CVSS score of 9.8, this vulnerability allows remote attackers to potentially execute arbitrary code or crash the service.
There is no known public exploit for this vulnerability, and it is not currently listed in the CISA KEV catalog. It is remotely exploitable with low attack complexity.
Update to a version of LibIEC61850 beyond commit 1f52be9ddeae00e69cd43e4cac3cb4f0c880c4f0.
Technical Analysis
CVE-2024-45971 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-120)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2024-45971 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts