Buffer overflow in Siemens Simatic S7-400 Cpu 412-1 Dp V7
CVE-2021-40368
A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414-2 DP V7 (All version…
Vulnerability class: Buffer Overflow
EPSS: 0.004 (63.7th percentile) — read the EPSS interpretation.
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/E:P/RL:O/RC:C.
Affected products
- Siemens Simatic S7-400 Cpu 412-1 Dp V7 — versions All versions
- Siemens Simatic S7-400 Cpu 412-2 Dp V7 — versions All versions
- Siemens Simatic S7-400 Cpu 412-2 Pn/dp V7 — versions All versions < V7.0.3
- Siemens Simatic S7-400 Cpu 414-2 Dp V7 — versions All versions
- Siemens Simatic S7-400 Cpu 414-3 Dp V7 — versions All versions
- Siemens Simatic S7-400 Cpu 414-3 Pn/dp V7 — versions All versions < V7.0.3
- Siemens Simatic S7-400 Cpu 414f-3 Pn/dp V7 — versions All versions < V7.0.3
- Siemens Simatic S7-400 Cpu 416-2 Dp V7 — versions All versions
- Siemens Simatic S7-400 Cpu 416-3 Dp V7 — versions All versions
- Siemens Simatic S7-400 Cpu 416-3 Pn/dp V7 — versions All versions < V7.0.3
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-40368?
- CVE-2021-40368 is a high-severity vulnerability in Siemens Simatic S7-400 Cpu 412-1 Dp V7, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2022-04-12.
- How severe is CVE-2021-40368?
- High severity. CVSS v3 base score is 7.5 out of 10.