CVE-2024-50379
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).
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 31.8%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.
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. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 31.82% probability · 98th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-367
- Affected
- apache/tomcat · netapp/bootstrap os
- Source
- security@apache.org
EPSS moved from 31.8% on 23 September 2026 to 31.8% on 3 November 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- https://lists.apache.org/thread/y6lj6q1xnp822g6ro70tn19sgtjmr80rMailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2024/12/17/4Mailing List
- http://www.openwall.com/lists/oss-security/2024/12/18/2Mailing List
- https://lists.debian.org/debian-lts-announce/2025/01/msg00009.html
- https://security.netapp.com/advisory/ntap-20250103-0003/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.