CVE-2021-46699: siemens simcenter_femap Stack-based Buffer Overflow
CVSS: 7.8v3.1HighModified
Published 22-02-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-46699 is a high (CVSS 7.8) Stack-based Buffer Overflow vulnerability in siemens simcenter_femap. EPSS estimates a 1.45% chance of exploitation in the next 30 days, higher than 73% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
1.45%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-02-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
A vulnerability has been identified in Simcenter Femap (All versions < V2022.1.1). Affected application contains a stack based buffer overflow vulnerability while parsing specially crafted BDF files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-15061)
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.45%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
0.00 pp
From 1.45% on 20-09-2026
20-09-202620-10-2026
EPSS score1.45%
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-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Siemens1 product
- simcenter_femapAll versions < V2022.1.1 | < 2022.1.1
1 vendor · 1 product
References
2 links- cert-portal.siemens.com/productcert/pdf/ssa-949188.pdfX Refsource MISCMitigationPatchVendor Advisory