PT-2021-17437 · Siemens · Tecnomatix Plant Simulation

Francis Provencher · Published 2021-03-10 · Updated 2021-05-19 · CVE-2021-27398

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Tecnomatix Plant Simulation versions prior to V16.0.5

Description A vulnerability has been identified in the PlantSimCore.dll library, which lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack-based buffer overflow, allowing an attacker to execute code in the context of the current process.

Recommendations For versions prior to V16.0.5, update to version V16.0.5 or later to resolve the issue. As a temporary workaround, consider restricting access to SPP files to minimize the risk of exploitation.

Fix

Stack Overflow

Weakness Enumeration

CWE-121

Related Identifiers

BDU:2025-07816

CVE-2021-27398

ZDI-21-570

Affected Products

Tecnomatix Plant Simulation

References · 5

• https://bdu.fstec.ru/vul/2025-07816 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-27398 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-21-570 · Security Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-983548.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-27398 · Vendor Advisory