CVE-2021-3100
HIGHCVSS 8.8/10EPSS 0.36%
Last modified
CVE-2021-3100 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Amazon | Log4jhotpatch | < 1.1-13 |
References
- https://alas.aws.amazon.com/AL2/ALAS-2021-1732.htmlVendor Advisory
- https://alas.aws.amazon.com/ALAS-2021-1554.htmlVendor Advisory
- https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilitiesExploit, Third Party Advisory
- https://alas.aws.amazon.com/AL2/ALAS-2021-1732.htmlVendor Advisory
- https://alas.aws.amazon.com/ALAS-2021-1554.htmlVendor Advisory
- https://unit42.paloaltonetworks.com/aws-log4shell-hot-patch-vulnerabilitiesExploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-3100?
CVE-2021-3100 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3100?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-3100?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST