CVSS 3.1 Score 5.9 of 10 (medium)


Published Oct 10, 2023
Updated: Dec 11, 2023
CWE ID 459


CVE-2023-42794 is an Incomplete Cleanup vulnerability in Apache Tomcat. This vulnerability affects Apache Tomcat versions 9.0.70 through 9.0.80 and 8.5.85 through 8.5.93. It is a potential denial of service vulnerability on Windows systems where a web application fails to close a stream for an uploaded file, leading to the file not being deleted from disk and potentially causing a denial of service due to disk space exhaustion. To remediate this issue, users are advised to upgrade their Apache Tomcat installations to version 9.0.81 onwards or 8.5.94 onwards, as these versions contain the necessary fix for the vulnerability. The vulnerability has a base severity of MEDIUM and poses a potential danger to organizations as it could result in a denial of service situation on affected systems if exploited by malicious actors.

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