CVE-2021-38991: High severity IBM AIX vulnerability

Published Jan 10, 2022
·
Updated

IBM AIX 7.0, 7.1, 7.2, and VIOS 3.1 could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution. IBM X-Force ID: 212953.

Other sources

IBM AIX could allow a non-privileged local user to exploit a vulnerability in the lscore command which could lead to code execution.

IBM

Affected Software

8 affected components
IBM AIX<=7.1
IBM AIX<=7.2
IBM AIX<=7.3
IBM VIOS<=3.1
IBM VIOS=3.1
IBM AIX=7.0
IBM AIX=7.1
IBM AIX=7.2

Event History

Jan 10, 2022
CVE Published
via IBM·12:00 AM
Jan 11, 2022
CVE Published
via MITRE·04:25 PM
Data Sourced
via MITRE·04:25 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is CVE-2021-38991?

CVE-2021-38991 is a vulnerability in IBM AIX and VIOS that allows a non-privileged local user to exploit the lscore command and execute code.

2

Which versions of IBM AIX and VIOS are affected by CVE-2021-38991?

IBM AIX versions 7.0, 7.1, 7.2, and VIOS version 3.1 are affected by CVE-2021-38991.

3

What is the severity level of CVE-2021-38991?

The severity level of CVE-2021-38991 is high, with a CVSS score of 8.4.

4

How can a non-privileged local user exploit CVE-2021-38991?

A non-privileged local user can exploit CVE-2021-38991 by using the lscore command to execute arbitrary code.

5

Where can I find more information about CVE-2021-38991?

You can find more information about CVE-2021-38991 on the IBM X-Force ID: 212953 page and the IBM support page.

Contact

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