CVE-2021-38955
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a...
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a denial of service due to a file creation vulnerability in the audit commands. IBM X-Force ID: 211825.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a denial of service due to a file creation vulnerability in the audit commands. IBM X-Force ID: 211825.
- Record
CVE-2021-38955- CVSS 3.0
- 4.4 Medium
CVSS:3.0/A:H/UI:N/AV:L/C:N/PR:H/I:N/S:U/AC:L/RL:O/RC:C/E:U - Updated
- 2026-11-02
EUVDEUVD-2021-25392
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a denial of service due to a file creation vulnerability in the audit commands. IBM X-Force ID: 211825.
- Record
EUVD-2021-25392- CVSS 3.0
- 4.4 Medium
CVSS:3.0/A:H/UI:N/AV:L/C:N/PR:H/I:N/S:U/AC:L/RL:O/RC:C/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2pmc-64pj-g4gv
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a...
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a denial of service due to a file creation vulnerability in the audit commands. IBM X-Force ID: 211825.
- Record
GHSA-2pmc-64pj-g4gv- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-269
- Updated
- 2026-11-02
NVD
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a local user with elevated privileges to cause a denial of service due to a file creation vulnerability in the audit commands. IBM X-Force ID: 211825.
- Record
CVE-2021-38955- CVSS 3.1
- 4.4 Medium
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - CVSS 3.0
- 4.4 Medium
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38955 is a medium vulnerability (CVSS 4.4) in Ibm Aix, published March 1, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 11th percentile. No source names a fixed version.