Medium severity · published Jun 28, 2021
CVE-2021-29693
IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user that is in the with elevated group privileges to cause a denial of service due to a vulnerability in the lpd daemon
4.4
CVSS
0.6%
EPSS
No
On KEV
Description
IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user that is in the with elevated group privileges to cause a denial of service due to a vulnerability in the lpd daemon. IBM X-Force ID: 200255.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29693
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29693
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/200255
Patch
https://www.ibm.com/support/pages/node/6467129
More from Aix
10.0
CVE-2024-56346
IBM AIX 7.2 and 7.3 nimesis NIM master service could allow a remote attacker to execute arbitrary commands due to improper process controls
9.9
CVE-2026-18835
Vulnerabilities in IBM AIX and PowerVM VIOS
9.9
CVE-2026-16816
Vulnerabilities in IBM AIX and PowerVM VIOS
9.9
CVE-2026-15068
Vulnerabilities in IBM AIX and PowerVM VIOS
9.8
CVE-2026-19437
Vulnerabilities in IBM AIX and PowerVM VIOS
