CVE-2007-3382 Apache Tomcat treats single quotes as delimiters in cookies

What is CVE-2007-3382?

CVE-2007-3382 is a medium-severity vulnerability in Apache Tomcat, published on 14 Aug 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Apache Tomcat 6.0.0 to 6.0.13, 5.5.0 to 5.5.24, 5.0.0 to 5.0.30, 4.1.0 to 4.1.36, and 3.3 to 3.3.2 treats single quotes ("'") as delimiters in cookies, which might cause sensitive information such as session IDs to be leaked and allow remote attackers to conduct session hijacking attacks.

Weakness: CWE-200

Which versions are affected by CVE-2007-3382?

10 open source packages ship an affected version, including org.apache.tomcat:tomcat. It affects 1 product.

Products include Apache Tomcat.

How do I fix CVE-2007-3382?

Upgrade to a fixed version.

Is CVE-2007-3382 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-3382 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Apache Tomcat

• CVE-2025-24813 Apache Tomcat Path Equivalence Exploited Critical 10.0
• CVE-2016-8735 Apache Tomcat Remote Code Execution Exploited Critical 9.8
• CVE-2017-12617 Apache Tomcat Remote Code Execution Exploited High 8.1
• CVE-2017-12615 Apache Tomcat on Windows Remote Code Execution Exploited High 8.1
• CVE-2026-34486 Apache Tomcat Missing Encryption of Sensitive Data Exploited High 7.5

All Apache Tomcat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qff8-g48j-pwpw.