Vulnerability Details : CVE-2021-27398
A vulnerability has been identified in Tecnomatix Plant Simulation (All versions < V16.0.5). The PlantSimCore.dll library lacks proper validation of user-supplied data when parsing SPP files. This could result in a stack based buffer overflow, a different vulnerability than CVE-2021-27396. An attacker could leverage this vulnerability to execute code in the context of the current process. (ZDI-CAN-13290)
Vulnerability category: OverflowExecute code
Products affected by CVE-2021-27398
- cpe:2.3:a:siemens:tecnomatix_plant_simulation:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-27398
0.29%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-27398
| 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-2021-27398
-
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 (Primary)
References for CVE-2021-27398
-
https://www.zerodayinitiative.com/advisories/ZDI-21-570/
ZDI-21-570 | Zero Day InitiativeThird Party Advisory;VDB Entry
-
https://cert-portal.siemens.com/productcert/pdf/ssa-983548.pdf
Vendor Advisory
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