Home/CVE/An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rend
CVE

CVE-2021-25176

An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rend

An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A NULL pointer dereference exists when rendering malformed .DXF and .DWG files. This can allow attackers to cause a crash, potentially enabling a denial of service attack (Crash, Exit, or Restart).

HIGH · CVSS 7.8 EPSS 0.00361
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

4
opendesign drawings software development kit< 2021.11
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

5
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-21-221/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-222/Third Party AdvisoryVDB Entry
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