Many API function codes receive raw pointers remotely from the user and trust these pointers as valid in-bound memory regions. An attacker can manipulate API functions by writing arbitrary data into the resolved address of a raw pointer.
Published 2021-10-22 12:15:09
Updated 2021-10-27 14:17:21
Source ICS-CERT
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2021-38479

Exploit prediction scoring system (EPSS) score for CVE-2021-38479

0.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 34 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-38479

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:N
10.0
2.9
NIST
6.5
MEDIUM CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
2.8
3.6
ICS-CERT
7.5
HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
3.9
3.6
NIST

CWE ids for CVE-2021-38479

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: ics-cert@hq.dhs.gov (Primary)

References for CVE-2021-38479

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