CVE-2021-27398

Description

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-2021-27396. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13290)

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.94% Top 25%
Vendor Advisory siemens.com
Affected: Siemens Tecnomatix Plant Simulation
Published at:
Updated at:

References

Link Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-983548.pdf vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-570/ vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-27398?
CVE-2021-27398 has been scored as a high severity vulnerability.
How to fix CVE-2021-27398?
To fix CVE-2021-27398, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27398 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-27398 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27398?
CVE-2021-27398 affects Siemens Tecnomatix Plant Simulation.
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