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High severity · published Jun 17, 2021
CVE-2021-32946
An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper…
7.8
CVSS
2.8%
EPSS
No
On KEV
Description
An improper check for unusual or exceptional conditions issue exists within the parsing DGN files from Drawings SDK (Version 2022.4 and prior) resulting from the lack of proper validation of the user-supplied data. This may result in several of out-of-bounds problems and allow attackers to cause a denial-of-service condition or 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)2.8% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Comos · Siemens
before 10.4.1 · source: NVD
DS
Drawings Sdk · Opendesign
through 2022.4 · source: NVD
JT
Jt2go · Siemens
before 13.2.0.2 · source: NVD
TV
Teamcenter Visualization · Siemens
before 13.2.0.2 · source: NVD
Affected product
DS
Drawings Sdk
Opendesign
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32946
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32946
Patch
https://cert-portal.siemens.com/productcert/pdf/ssa-155599.pdf
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-938030.pdf
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-159-02
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-983/
Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-985/
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