Vulnerability Details : CVE-2021-46156
A vulnerability has been identified in Simcenter Femap V2020.2 (All versions), Simcenter Femap V2021.1 (All versions). Affected application contains an out of bounds write past the end of an allocated structure while parsing specially crafted NEU files. This could allow an attacker to execute code in the context of the current process. (ZDI-CAN-14684)
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2021-46156
- cpe:2.3:a:siemens:simcenter_femap:2020.2:-:*:*:*:*:*:*
- cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack1:*:*:*:*:*:*
- cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack2:*:*:*:*:*:*
- cpe:2.3:a:siemens:simcenter_femap:2021.1:-:*:*:*:*:*:*
- cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack1:*:*:*:*:*:*
- cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack2:*:*:*:*:*:*
- cpe:2.3:a:siemens:simcenter_femap:2020.2:maintenance_pack3:*:*:*:*:*:*
- cpe:2.3:a:siemens:simcenter_femap:2021.1:maintenance_pack3:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-46156
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 42 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-46156
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-46156
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- productcert@siemens.com (Secondary)
References for CVE-2021-46156
-
https://www.zerodayinitiative.com/advisories/ZDI-22-309/
ZDI-22-309 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://cert-portal.siemens.com/productcert/pdf/ssa-609880.pdf
Vendor Advisory
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