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Fencer Vulns
high 7.8

CVE-2021-25174 json

An issue was discovered in Open Design Alliance Drawings SDK before 2021.12.

published 2021-01-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-12085

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

An issue was discovered in Open Design Alliance Drawings SDK before 2021.12. A memory corruption vulnerability exists when reading malformed DGN files. It can allow attackers to cause a crash, potentially enabling denial of service (Crash, Exit, or Restart).

Patch / fix

  • opendesign drawings_software_development_kit 2021.12
  • siemens comos 10.4.1
  • siemens jt2go 13.1.0.1
  • siemens teamcenter_visualization 13.1.0.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-21-047-01 updated cvss 7.8

Open Design Alliance Drawings SDK (Update A)

  • Siemens JT2Go <V13.1.0.1
    affected: fixed in V13.1.0.1, mitigation plm.automation.siemens.com
  • Siemens Teamcenter Visualization <V13.1.0.1
    affected: fixed in V13.1.0.1, mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

2.24% chance of exploitation in the next 30 days, higher than 82% 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

Classification

Weakness

References

Sources

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.