High severity · published Nov 14, 2021
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
7.8
CVSS
1.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DS
Drawings Software Development Kit · Opendesign
before 2022.11 · source: NVD
JT
Jt2go · Siemens
All versions, or not specified · source: NVD
SE
Solid Edge · Siemens
se2022 · source: NVD
TV
Teamcenter Visualization · Siemens
12.4.0 before 12.4.0.13; 13.2.0 before 13.3.0.1; 13.1.0 · source: NVD
Affected product
DS
Drawings Software Development Kit
Opendesign
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-43336
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-43336
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-301589.pdf
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-491245.pdf
Vendor Advisory
https://www.opendesign.com/security-advisories
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-334/
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