What is CVE-2024-34057?

CVE-2024-34057 is a high-severity vulnerability in Siemens Sicam A8000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2024-09-18.

How severe is CVE-2024-34057?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Siemens Sicam A8000

CVE-2024-34057

Triangle Microworks TMW IEC 61850 Client source code libraries before 12.2.0 lack a buffer size check when processing received messages. The resulting buffer overflow can cause a crash, resulting in a denial of service.

Vulnerability class: Buffer Overflow

Published 2024-09-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.004 (36.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

trianglemicroworks.com/products/source-code-libraries/iec-61850-scl-pages/what'… (Release Notes)
www.cisa.gov/news-events/ics-advisories/icsa-24-256-16 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2024-34057?: CVE-2024-34057 is a high-severity vulnerability in Siemens Sicam A8000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2024-09-18.
How severe is CVE-2024-34057?: High severity. CVSS v3 base score is 7.5 out of 10.