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

Published Apr 19, 2022
·
Updated

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 Software

2 affected components
Amazon Log4jhotpatch<1.1-13
Linux Linux kernel

Event History

Apr 19, 2022
CVE Published
via MITRE·10:15 PM
Data Sourced
via MITRE·10:15 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the vulnerability ID for this Apache Log4j hotpatch package vulnerability?

The vulnerability ID for this Apache Log4j hotpatch package vulnerability is CVE-2021-3100.

2

What is the severity of the Apache Log4j hotpatch package vulnerability (CVE-2021-3100)?

The severity of the Apache Log4j hotpatch package vulnerability (CVE-2021-3100) is high with a CVSS score of 8.8.

3

What is the description of the Apache Log4j hotpatch package vulnerability (CVE-2021-3100)?

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.

4

What software is affected by the Apache Log4j hotpatch package vulnerability (CVE-2021-3100)?

The Apache Log4j hotpatch package (log4j-cve-2021-44228-hotpatch-1.1-13) is affected by this vulnerability.

5

How can I fix the Apache Log4j hotpatch package vulnerability (CVE-2021-3100)?

To fix the Apache Log4j hotpatch package vulnerability (CVE-2021-3100), update to a version that addresses the issue, such as log4j-cve-2021-44228-hotpatch-1.1-13 or later.

Contact

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