CVE-2020-4829 json
IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user to exploit a vulnerability in the ksu user command to gain root privileges.
published 2020-12-10 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-26076
- cvss
- 8.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
IBM AIX 7.1, 7.2, and VIOS 3.1 could allow a local user to exploit a vulnerability in the ksu user command to gain root privileges. IBM X-Force ID: 189960.
Patch / fix
- ibm.com/support/pages/node/6380430 advisory
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.4 | CVSS:3.0/AC:L/PR:N/A:H/I:H/AV:L/S:U/UI:N/C:H/RL:O/RC:C/E:U |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.0 | 8.4 | CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- IBM VIOS
- IBM AIX
References
-
ibm.com
/support/pages/node/6380430
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/189960
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4829
- NVD CVE-2020-4829
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