apache-tomcat
Safeguard articles tagged "apache-tomcat" — guides, analysis, and best practices for software supply chain and application security.
11 articles
Ghostcat: Apache Tomcat AJP File Read and RCE (CVE-2020-1938) Explained
CVE-2020-1938 turned Tomcat's default AJP connector into a file-disclosure and RCE primitive. Here's how the request-attribute abuse works and how to shut it down.
Ghostcat Apache Tomcat AJP file read/RCE (CVE-2020-1938)
CVE-2020-1938 'Ghostcat' exposes Apache Tomcat's AJP connector to file read and RCE. Here's the ghostcat tomcat AJP vulnerability impact and how to fix it.
CVE-2023-42794: The Apache Tomcat Incomplete Cleanup DoS Explained
An unreleased refactoring in Tomcat's bundled Commons FileUpload left temp files undeleted on Windows, risking a disk-exhaustion DoS. Here is what CVE-2023-42794 is and how to fix it.
CVE-2023-46589: The Tomcat Request Smuggling Flaw, Explained
CVE-2023-46589 lets an attacker smuggle HTTP requests past a reverse proxy by abusing malformed trailer headers in Apache Tomcat. Here is how it works and which versions to run.
CVE-2020-1938 (Ghostcat): File inclusion via Apache Tomca...
Ghostcat (CVE-2020-1938) let attackers read files—and often achieve RCE—via Tomcat's default, unauthenticated AJP connector. Here's the risk, fix, and KEV context.
CVE-2021-33037: HTTP request smuggling in Apache Tomcat
CVE-2021-33037 let malformed HTTP trailers desync Apache Tomcat from front-end proxies, enabling request smuggling. Here's what's affected and how to remediate.
CVE-2019-0232: Remote code execution in Apache Tomcat CGI...
CVE-2019-0232 lets attackers execute arbitrary commands on Windows-hosted Apache Tomcat via the CGI Servlet. Here's the CVSS 9.8 detail, affected versions, and fixes.
CVE-2020-9484: Deserialization RCE via Apache Tomcat Pers...
A deep dive into CVE-2020-9484, the Apache Tomcat PersistenceManager deserialization RCE — affected versions, CVSS/EPSS context, and remediation steps.
CVE-2021-25122: Request mix-up via Apache Tomcat h2c support
CVE-2021-25122 let Apache Tomcat mix up HTTP responses between concurrent users via the h2c upgrade path. Here's the impact, affected versions, and how to remediate.
CVE-2023-41080: Apache Tomcat Open Redirect in FORM Authentication
CVE-2023-41080 lets a crafted URL trigger an open redirect during FORM login on Tomcat's ROOT web app. Here is the exact condition, affected versions, and the one-line fix path.
tomcat-embed-core in Maven: A Security Guide to CVEs and Fixes
The tomcat-embed-core Maven artifact is the embedded Tomcat engine inside most Spring Boot apps, and it has carried several serious CVEs. Here is how to find your version and patch it.
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