Buffer overflow in Opendesign Drawings Software Development Kit
CVE-2021-43336
An Out-of-Bounds Write vulnerability exists when reading a DXF or DWG file using Open Design Alliance Drawings SDK before 2022.11. The specific issue exists within the parsing of DXF and DWG files. Crafted data in a DXF or DWG file (an invalid number of properties) can trigger a write operation past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.016 · newest: 0.017 · change: +0.001
Affected products
- Opendesign Drawings Software Development Kit
- Siemens Jt2go
- Siemens Solid Edge — versions se2022
- Siemens Teamcenter Visualization — versions 13.1.0
Weakness classification (CWE)
References
- www.opendesign.com/security-advisories (Vendor Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-301589.pdf (Third Party Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-334/ (VDB Entry, Third Party Advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-43336?
- CVE-2021-43336 is a high-severity vulnerability in Opendesign Drawings Software Development Kit, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2021-11-14.
- How severe is CVE-2021-43336?
- High severity. CVSS v3 base score is 7.8 out of 10.