CVE-2021-3100

Public Exploit
Log4j hot patch package privilege escalation

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.

Categories

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory amazon.com Vendor Advisory amazon.com
Affected: Amazon Web Services log4j-cve-2021-44228-hotpatch
Published at:
Updated at:

References

Link Tags
https://alas.aws.amazon.com/AL2/ALAS-2021-1732.html vendor advisory
https://alas.aws.amazon.com/ALAS-2021-1554.html vendor advisory
https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilities third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-3100?
CVE-2021-3100 has been scored as a high severity vulnerability.
How to fix CVE-2021-3100?
To fix CVE-2021-3100, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3100 being actively exploited in the wild?
It is possible that CVE-2021-3100 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3100?
CVE-2021-3100 affects Amazon Web Services log4j-cve-2021-44228-hotpatch.
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