CVE-2021-32946 json
An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and pri…
published 2021-06-17 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-19667
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.8%
- EPSS 2.8% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow attackers to cause a denial-of-service condition or execute code in the context of the current process.
Patch / fix
- siemens comos 10.4.1
- siemens jt2go 13.2.0.2
- siemens teamcenter_visualization 13.2.0.2
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-222-03 updated cvss 7.8
Siemens JT2Go and Teamcenter Visualization (Update A)
-
Siemens JT2Go <V13.2.0.2affected: fixed in V13.2.0.2, mitigation plm.automation.siemens.com
-
Siemens Teamcenter Visualization <V13.2.0.2affected: fixed in V13.2.0.2, mitigation
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
cisa ICSA-22-069-06 updated cvss 7.8
Siemens COMOS
-
Siemens COMOS <V10.4.1affected: fixed in V10.4.1, mitigation support.industry.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
cisa ICSA-21-159-02 updated cvss 7.8
Open Design Alliance Drawings SDK
-
Open Design Alliance Drawings SDK <2022.4, 2022.4affected: mitigation “Open Design Alliance recommends updating to v2022.5 or later (login and ODA membership required).” docs.opendesign.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
2.80% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a Drawings SDK
Classification
- Weakness
-
- CWE-754 Improper Check for Unusual or Exceptional Conditions
References
-
cert-portal.siemens.com
/productcert/pdf/ssa-155599.pdf
patch, third-party-advisory
-
us-cert.cisa.gov
/ics/advisories/icsa-21-159-02
third-party-advisory, us-government-resource
-
cert-portal.siemens.com
/productcert/pdf/ssa-938030.pdf
third-party-advisory
-
zerodayinitiative.com
/advisories/ZDI-21-983/
third-party-advisory, vdb-entry
-
zerodayinitiative.com
/advisories/ZDI-21-985/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2021-32946
- NVD CVE-2021-32946
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.