CVE-2021-25177
CVE-2021-25177 is a high-severity vulnerability in Opendesign Drawings Software Development Kit with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (81st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-843
- Affected product: Opendesign Drawings Software Development Kit
- Published:
- Last modified:
Description
An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A Type Confusion issue 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).
Frequently asked questions
- What is CVE-2021-25177?
- An issue was discovered in Open Design Alliance Drawings SDK before 2021.11. A Type Confusion issue 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).
- How severe is CVE-2021-25177?
- CVE-2021-25177 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-25177 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-25177?
- CVE-2021-25177 primarily affects Opendesign Drawings Software Development Kit. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-25177?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2021-25177 published?
- CVE-2021-25177 was published on 2021-01-18 and last updated on 2026-06-17.
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-663999.pdf
- https://www.opendesign.com/security-advisories
- https://www.zerodayinitiative.com/advisories/ZDI-21-219/
Affected products (4)
- cpe:2.3:a:opendesign:drawings_software_development_kit:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:comos:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:jt2go:*:*:*:*:*:*:*:*
- cpe:2.3:a:siemens:teamcenter_visualization:*:*:*:*:*:*:*:*
More vulnerabilities in Opendesign Drawings Software Development Kit
- CVE-2022-23095 — High (CVSS 7.8): Open Design Alliance Drawings SDK before 2022.12.1 mishandles the loading of JPG files. Unchecked input data from a…
- CVE-2021-43391 — High (CVSS 7.8): An Out-of-Bounds Read vulnerability exists when reading a DXF file using Open Design Alliance Drawings SDK before…
- CVE-2021-43390 — High (CVSS 7.8): An Out-of-Bounds Write vulnerability exists when reading a DGN file using Open Design Alliance Drawings SDK before…
- CVE-2021-43336 — High (CVSS 7.8): An Out-of-Bounds Write vulnerability exists when reading a DXF or DWG file using Open Design Alliance Drawings SDK…
- CVE-2021-43280 — High (CVSS 7.8): A stack-based buffer overflow vulnerability exists in the DWF file reading procedure in Open Design Alliance Drawings…
- CVE-2021-43275 — High (CVSS 7.8): A Use After Free vulnerability exists in the DGN file reading procedure in Open Design Alliance Drawings SDK before…
All CVEs affecting Opendesign Drawings Software Development Kit →
Other CWE-843 vulnerabilities
- CVE-2021-33970 — Critical (CVSS 10.0): Buffer Overflow vulnerability in Qihoo 360 Chrome v13.0.2170.0 allows attacker to escalate priveleges.
- CVE-2010-2299 — Critical (CVSS 10.0): The Clipboard::DispatchObject function in app/clipboard/clipboard.cc in Google Chrome before 5.0.375.70 does not…
- CVE-2023-22579 — Critical (CVSS 9.9): Due to improper parameter filtering in the sequalize js library, can a attacker peform injection.
- CVE-2026-13776 — Critical (CVSS 9.8): Type Confusion in Dawn in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
- CVE-2026-43038 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in…
- CVE-2025-70023 — Critical (CVSS 9.8): An issue pertaining to CWE-843: Access of Resource Using Incompatible Type was discovered in transloadit uppy v0.25.6.