CVE-2023-28528

HIGH

IBM AIX <7.4 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-28528. PoCs published by Tim Brown, bcoles, including Metasploit module exploits/aix/local/invscout_rpm_priv_esc.

AI-analyzed exploit summary This Metasploit module exploits a command injection vulnerability in IBM AIX's invscout set-uid root utility via undocumented arguments (-rpm and -o) to achieve local privilege escalation. It demonstrates the vulnerability by injecting arbitrary commands with root privileges.

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.

Exploits (1)

metasploit WORKING POC EXCELLENT
by Tim Brown, bcoles · rubypoc
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/aix/local/invscout_rpm_priv_esc.rb

This Metasploit module exploits a command injection vulnerability in IBM AIX's invscout set-uid root utility via undocumented arguments (-rpm and -o) to achieve local privilege escalation. It demonstrates the vulnerability by injecting arbitrary commands with root privileges.

Classification
Working Poc 100%
Attack Type
Lpe
Complexity
Trivial
Reliability
Reliable
Target: IBM AIX invscout (AIX 7.2 and earlier)
No auth needed
Prerequisites: Access to a vulnerable AIX system with invscout present · Local user access
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (4)

Core 4

Scores

CVSS v3 8.4
EPSS 0.0146
EPSS Percentile 70.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (4)
ibm/aix 7.1
ibm/aix 7.2
ibm/aix 7.3
ibm/vios 3.1
Published Apr 28, 2023
Tracked Since Feb 18, 2026