CVE-2021-27399: siemens simcenter_femap Out-of-bounds Write
Vulnerability summary
CVE-2021-27399 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in siemens simcenter_femap. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 70.7% of scored vulnerabilities.
Timeline
- 08-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in Simcenter Femap 2020.2 (All versions < V2020.2.MP3), Simcenter Femap 2021.1 (All versions < V2021.1.MP3). The femap.exe application lacks proper validation of user-supplied data when parsing FEMAP files. This could result in an out of bounds write past the end of an allocated structure, a different vulnerability than CVE-2021-27387. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-12820)
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.34%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.34% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Siemens3 products
- simcenter_femap< 2020.2 | 2020.2 | 2020.2:maintenance_pack1 | 2020.2:maintenance_pack2 | 2021.1 | 2021.1:maintenance_pack1 | 2021.1:maintenance_pack2
- simcenter femap 2020.2All versions < V2020.2.MP3
- simcenter femap 2021.1All versions < V2021.1.MP3
1 vendor · 3 products