CVE-2024-50379

Apache Tomcat: RCE due to TOCTOU issue in JSP compilation

Description

Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on case insensitive file systems when the default servlet is enabled for write (non-default configuration). This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97. Users are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 89.72% Top 5%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Tomcat
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/y6lj6q1xnp822g6ro70tn19sgtjmr80r vendor advisory
http://www.openwall.com/lists/oss-security/2024/12/17/4
http://www.openwall.com/lists/oss-security/2024/12/18/2
https://security.netapp.com/advisory/ntap-20250103-0003/

Frequently Asked Questions

What is the severity of CVE-2024-50379?
CVE-2024-50379 has been scored as a critical severity vulnerability.
How to fix CVE-2024-50379?
To fix CVE-2024-50379, 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-2024-50379 being actively exploited in the wild?
It is possible that CVE-2024-50379 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~90% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-50379?
CVE-2024-50379 affects Apache Software Foundation Apache Tomcat.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.