Vulnerability Details : CVE-2021-46157
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-14757)
Vulnerability category: OverflowMemory CorruptionExecute code
Products affected by CVE-2021-46157
- 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-2021-46157
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 40 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-46157
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-2021-46157
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by:
- nvd@nist.gov (Primary)
- productcert@siemens.com (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-46157
-
https://cert-portal.siemens.com/productcert/pdf/ssa-609880.pdf
Vendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-22-310/
ZDI-22-310 | Zero Day InitiativeThird Party Advisory;VDB Entry
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