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...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- 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, 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.
- Record
CVE-2021-29693- CVSS 3.0
- 4.9 Medium
CVSS:3.0/AC:L/A:H/I:N/PR:H/AV:N/UI:N/S:U/C:N/RC:C/RL:O/E:U - Updated
- 2026-11-02
EUVDEUVD-2021-16167
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.
- Record
EUVD-2021-16167- CVSS 3.0
- 4.9 Medium
CVSS:3.0/AC:L/A:H/I:N/PR:H/AV:N/UI:N/S:U/C:N/RC:C/RL:O/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q3r7-343c-xpjw
IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user that is in the with elevated group...
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.
- Record
GHSA-q3r7-343c-xpjw- 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, 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.
- Record
CVE-2021-29693- 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
- 4.9 Medium
CVSS:3.0/AV:N/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-2021-29693 is a medium vulnerability (CVSS 4.9) in Ibm Aix, published June 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.