A use-after-free issue exists in the DGN file-reading procedure in the Drawings SDK (All versions prior to 2022.4) resulting from the lack of proper validation of user-supplied data. This can result in a memory corruption or arbitrary code execution, allowing attackers to cause a denial-of-service condition or execute code in the context of the current process.
Published 2021-06-17 13:15:08
Updated 2022-04-15 15:36:24
Source ICS-CERT
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionExecute codeDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2021-32944

0.15%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 50 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-32944

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2021-32944

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by:
    • ics-cert@hq.dhs.gov (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2021-32944

Products affected by CVE-2021-32944

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