CVE-2021-46158: siemens simcenter_femap Stack-based Buffer Overflow
Vulnerability summary
CVE-2021-46158 is a high (CVSS 7.8) Stack-based Buffer Overflow vulnerability in siemens simcenter_femap. EPSS estimates a 1.77% chance of exploitation in the next 30 days, higher than 77.8% of scored vulnerabilities.
Timeline
- 09-02-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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)
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.77%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.77% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
- CWE-1284Improper Validation of Specified Quantity in InputThe product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.
Affected systems
Siemens3 products
- simcenter_femap2020.2 | 2020.2:maintenance_pack1 | 2020.2:maintenance_pack2 | 2020.2:maintenance_pack3 | 2021.1 | 2021.1:maintenance_pack1 | 2021.1:maintenance_pack2 | 2021.1:maintenance_pack3
- simcenter femap v2020.2All versions (No fix recorded)
- simcenter femap v2021.1All versions (No fix recorded)
1 vendor · 3 products