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Fencer Vulns
high 7.8

CVE-2021-46153 json

A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions).

published 2022-02-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-32853

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 75%
public exploits
0
none known

Summary

A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). Affected application contains a memory corruption vulnerability while parsing NEU files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-14645, ZDI-CAN-15305, ZDI-CAN-15589, ZDI-CAN-15599)

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-22-041-03 updated cvss 7.8

Siemens Simcenter Femap

  • Siemens Simcenter Femap V2020.2 Siemens Simcenter Femap V2021.1
    affected: fixed in V2022.1, mitigation support.sw.siemens.com

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

1.56% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Siemens Simcenter Femap V2020.2
  • Siemens Simcenter Femap V2021.1

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-787 Out-of-bounds Write

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.