Home/CVE/An issue was discovered in Open Design Alliance Drawings SDK before 2021.12. A memory allocation with excessive size vul
CVE

CVE-2021-25173

An issue was discovered in Open Design Alliance Drawings SDK before 2021.12. A memory allocation with excessive size vul

An issue was discovered in Open Design Alliance Drawings SDK before 2021.12. A memory allocation with excessive size vulnerability exists when reading malformed DGN files, which allows attackers to cause a crash, potentially enabling denial of service (crash, exit, or restart).

HIGH · CVSS 7.8 EPSS 0.00328
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-770Allocation of Resources Without Limits or Throttling
▤

Affected Products & Versions

4
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
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD18 Jan 2021 · 08:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

4
siemens-csafSSA-155599
siemens-csafSSA-663999
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-047-01
cisa-csafcisa-csaf-csaf_files-OT-white-2022-icsa-22-069-06
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdfPatchThird Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdfPatchThird Party Advisory
https://www.opendesign.com/security-advisoriesVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-225/Third Party AdvisoryVDB Entry
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