Medium severity · published Jan 20, 2021
CVE-2020-4887
IBM AIX 7.1, 7.2 and AIX VIOS 3.1 could allow a local user to exploit a vulnerability in the gencore user command to create arbitrary files in any directory
5.5
CVSS
0.3%
EPSS
No
On KEV
Description
IBM AIX 7.1, 7.2 and AIX VIOS 3.1 could allow a local user to exploit a vulnerability in the gencore user command to create arbitrary files in any directory. IBM X-Force ID: 190911.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AI
Aix · Ibm
7.1; 7.2 · source: NVD
VI
Vios · Ibm
3.1 · source: NVD
Affected product
AI
Aix
Ibm
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