What’s Vulnerable › Vulnerabilities

CVE-2023-41080: Apache Tomcat: Open redirect with FORM authentication

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-25 · updated 2026-06-17
• Weakness: CWE-601

Description

URL Redirection to Untrusted Site ('Open Redirect') vulnerability in FORM authentication feature Apache Tomcat.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M10, from 10.1.0-M1 through 10.0.12, from 9.0.0-M1 through 9.0.79 and from 8.5.0 through 8.5.92. Older, EOL versions may also be affected. The vulnerability is limited to the ROOT (default) web application.

Affected products

• Apache Tomcat: from 8.5.0 through 8.5.92; from 9.0.0 through 9.0.79; from 10.1.0 through 10.1.12; 11.0.0-milestone1, 11.0.0-milestone10, 11.0.0-milestone2, 11.0.0-milestone3, 11.0.0-milestone4, 11.0.0-milestone5 (+4)
• Debian Linux: 10.0, 11.0

References

• https://lists.apache.org/thread/71wvwprtx2j2m54fovq9zr7gbm2wow2f
• https://lists.apache.org/thread/71wvwprtx2j2m54fovq9zr7gbm2wow2f
• https://lists.debian.org/debian-lts-announce/2023/10/msg00020.html
• https://security.netapp.com/advisory/ntap-20230921-0006/
• https://www.debian.org/security/2023/dsa-5521
• https://www.debian.org/security/2023/dsa-5522

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