High severity · published Apr 28, 2023
CVE-2023-28528
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the invscout command to execute arbitrary commands
7.8
CVSS
1.5%
EPSS
No
On KEV
Description
IBM AIX 7.1, 7.2, 7.3, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the invscout command to execute arbitrary commands. IBM X-Force ID: 251207.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-28528
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-28528
packetstormsecurity.com
http://packetstormsecurity.com/files/172458/IBM-AIX-7.2-inscout-Privilege-Escalation.html
VDB Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/251207
Patch
https://www.ibm.com/support/pages/node/6983232
www.talosintelligence.com
https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1691
More from Aix
10.0
CVE-2024-56346
IBM AIX command execution
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