An out-of-bounds read issue exists within the parsing of DXF files in the Drawings SDK (All versions prior to 2022.4) 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 allows attackers to cause a denial-of-service condition or read sensitive information from memory locations.
Conclusion & alert: CVE-2021-32950 is rated Moderate Risk (46.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.34%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 0.73% | 0.34% | -0.38% |
| 2 | 2025-03-29 | 0.34% | 0.73% | +0.38% |
| 3 | 2025-03-23 | — | 0.34% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.1 | 3.1 | HIGH |
|
1.8 | 5.2 | [email protected] |
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| opendesign | drawings_sdk | < 2022.4 | cpe:2.3:a:opendesign:drawings_sdk:*:*:*:*:*:*:*:* |
| siemens | comos | < 10.4.1 | cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:* |
| siemens | jt2go | < 13.2.0.1 | cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:* |
| siemens | teamcenter_visualization | < 13.2.0.1 | cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf | Patch Third Party Advisory |
| 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 | Third Party Advisory US Government Resource |
| https://www.zerodayinitiative.com/advisories/ZDI-21-988/ | Third Party Advisory VDB Entry |