CVE-2021-3100

Log4j hot patch package privilege escalation

The Apache Log4j hotpatch package before log4j-cve-2021-44228-hotpatch-1.1-13 didn’t mimic the permissions of the JVM being patched, allowing it to escalate privileges.

Affected

Amazon Web Services · log4j-cve-2021-44228-hotpatch

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CVSS v2.0 NVD

7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS

0.37% chance of exploitation in the next 30 days, 29th percentile

Published

2022-04-19

Updated

2024-09-16

Proof-of-concept exploits (1)

• https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilities

Security advisories

• https://alas.aws.amazon.com/AL2/ALAS-2021-1732.html
• https://alas.aws.amazon.com/ALAS-2021-1554.html

References

• CVE Record
• NVD entry