CVE-2010-1157 Exposure of Sensitive Information to an Unauthorized Actor in Apache Tomcat

What is CVE-2010-1157?

CVE-2010-1157 is a low-severity vulnerability in Apache Tomcat, published on 23 Apr 2010. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Apache Tomcat 5.5.0 through 5.5.29 and 6.0.0 through 6.0.26 might allow remote attackers to discover the server's hostname or IP address by sending a request for a resource that requires (1) BASIC or (2) DIGEST authentication, and then reading the realm field in the WWW-Authenticate header in the reply.

Weakness: CWE-200

Which versions are affected by CVE-2010-1157?

4 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-2010-1157?

Upgrade org.apache.tomcat:tomcat to a fixed version for your release line: 5.5.30 or 6.0.28.

Is CVE-2010-1157 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-1157 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-w6q7-ww2x-7gm3.