CVE-2023-42795

CWE-45912 documents8 sources

Severity

5.3MEDIUM

EPSS

0.7%

top 28.16%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Apache Tomcat Apache Software Foundation Apache Tomcat Debian Debian Linux

Timeline

PublishedOct 10

Latest updateJun 9

Description

Incomplete Cleanup vulnerability in Apache Tomcat.When recycling various internal objects in Apache Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.80 and from 8.5.0 through 8.5.93, an error could cause Tomcat to skip some parts of the recycling process leading to information leaking from the current request/response to the next. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages7 packages

▶NVDapache/tomcat8.5.0 — 8.5.94+5

▶Mavenorg.apache.tomcat:tomcat9.0.0-M1 — 9.0.81+1

▶Mavenorg.apache.tomcat:tomcat-coyote11.0.0-M1 — 11.0.0-M12+1

▶Mavenorg.apache.tomcat.embed:tomcat-embed-core11.0.0-M1 — 11.0.0-M12+3

▶CVEListV5apache_software_foundation/apache_tomcat11.0.0-M1 — 11.0.0-M11+3

Also affects: Debian Linux 10.0, 11.0, 12.0

🔴Vulnerability Details

OSV

tomcat vulnerabilities↗2025-06-09

▶

OSV

tomcat9 vulnerabilities↗2024-11-13

▶

CVEList

Apache Tomcat: Failure during request clean-up leads to sensitive data leaking to subsequent requests↗2023-10-10

▶

OSV

CVE-2023-42795: Incomplete Cleanup vulnerability in Apache Tomcat↗2023-10-10

▶

GHSA

Apache Tomcat Incomplete Cleanup vulnerability↗2023-10-10

▶

📋Vendor Advisories

Ubuntu

Tomcat vulnerabilities↗2025-06-09

▶

Ubuntu

Tomcat vulnerabilities↗2024-11-13

▶

Red Hat

tomcat: improper cleaning of recycled objects could lead to information leak↗2023-10-10

▶

Debian

CVE-2023-42795: tomcat10 - Incomplete Cleanup vulnerability in Apache Tomcat.When recycling various interna...↗2023

▶

Apache

Apache tomcat: CVE-2023-42795↗

▶