Vulnerability Details : CVE-2021-32940
An out-of-bounds read issue exists in the DWG file-recovering procedure in the Drawings SDK (All versions prior to 2022.5) resulting from the lack of proper validation of user-supplied data. This can result in a read past the end of an allocated buffer and allow attackers to cause a denial-of-service condition or read sensitive information from memory locations.
Vulnerability category: Denial of service
Products affected by CVE-2021-32940
- cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*
- cpe:2.3:a:opendesign:drawings_sdk:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32940
0.34%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32940
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:P |
8.6
|
4.9
|
NIST | |
|
7.1
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H |
1.8
|
5.2
|
NIST |
CWE ids for CVE-2021-32940
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- ics-cert@hq.dhs.gov (Primary)
- nvd@nist.gov (Secondary)
References for CVE-2021-32940
-
https://cert-portal.siemens.com/productcert/pdf/ssa-365397.pdf
Patch;Third Party Advisory
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
Open Design Alliance Drawings SDK | CISAThird Party Advisory;US Government Resource
-
https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
Patch;Third Party Advisory
-
https://www.zerodayinitiative.com/advisories/ZDI-21-986/
ZDI-21-986 | Zero Day InitiativeThird Party Advisory;VDB Entry
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