CVE-2021-3100 Log4j hot patch package privilege escalation
The Log4j hotpatch package failed to mimic JVM permissions, allowing attackers to escalate privileges on affected systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-3100?
CVE-2021-3100 is a high-severity vulnerability in Amazon Web Services log4j-cve-2021-44228-hotpatch, published on 19 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2021-3100?
It affects 1 product.
Products include Amazon Log4jhotpatch.
How do I fix CVE-2021-3100?
No fix has been published for CVE-2021-3100 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-3100 being exploited?
There is no known exploitation of CVE-2021-3100 in the wild and no public exploit code.
Other vulnerabilities in Amazon Web Services log4j-cve-2021-44228-hotpatch
Sources
Also known as GHSA-24pr-9rc2-6xv5.