Vulnerability Details : CVE-2021-46158
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)
Vulnerability category: OverflowInput validationExecute code
Exploit prediction scoring system (EPSS) score for CVE-2021-46158
Probability of exploitation activity in the next 30 days: 0.19%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 56 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2021-46158
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
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-2021-46158
-
A 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).Assigned by: 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)
-
The 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.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-46158
-
https://www.zerodayinitiative.com/advisories/ZDI-22-312/
ZDI-22-312 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://www.zerodayinitiative.com/advisories/ZDI-22-311/
ZDI-22-311 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://cert-portal.siemens.com/productcert/pdf/ssa-609880.pdf
Vendor Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-22-313/
ZDI-22-313 | Zero Day InitiativeThird Party Advisory;VDB Entry
Products affected by CVE-2021-46158
- 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:*:*:*:*:*:*