Buffer overflow in Siemens Tecnomatix Plant Simulation
CVE-2021-27396
A vulnerability has been identified in Tecnomatix Plant Simulation (All versions < V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27398. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13279)
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Siemens Tecnomatix Plant Simulation — versions All versions < V16.0.5
- Siemens Tecnomatix Plant Simulation
Weakness classification (CWE)
References
- cert-portal.siemens.com/productcert/pdf/ssa-983548.pdf (Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-21-568/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-27396?
- CVE-2021-27396 is a high-severity vulnerability in Siemens Tecnomatix Plant Simulation, classified under Stack-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-05-12.
- How severe is CVE-2021-27396?
- High severity. CVSS v3 base score is 7.8 out of 10.