CVE-2021-46158

Name: CVE-2021-46158
Creator: NVD / NIST
Published: 2022-02-09T16:15:14.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.66%

Last modified Jun 17, 2026

CVE-2021-46158 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). Affected application contains a stack based buffer overflow vulnerability while parsing NEU files. EPSS estimates a 1.66% chance of exploitation in the next 30 days.

Description

A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). Affected application contains a stack based buffer overflow vulnerability while parsing NEU files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-15085, ZDI-CAN-15289, ZDI-CAN-15602)

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.66%

73.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Siemens	Simcenter Femap	2020.2
Siemens	Simcenter Femap	2021.1

References

https://cert-portal.siemens.com/productcert/pdf/ssa-609880.pdfVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-311/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-312/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-313/Third Party Advisory, VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-609880.pdfVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-311/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-312/Third Party Advisory, VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-22-313/Third Party Advisory, VDB Entry

Timeline

Published: Feb 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-46158?

How severe is CVE-2021-46158?

CVE-2021-46158 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.66% probability of exploitation in the next 30 days.

How do I fix CVE-2021-46158?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-46158?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST