CVE-2021-3100 HIGH

CVE-2021-3100: Log4j hot patch package privilege escalation

Vendor Amazon Web Services
Product log4j-cve-2021-44228-hotpatch
Weakness CWE-250
Published April 19, 2022
Last update September 16, 2024

CVSS base score

8.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 19, 2022 CVE published
September 16, 2024 Record updated