thinQtankLABS

Application Server Patch Triage & Remediation: CVE-2025-24813

Triage a maximum-severity, CISA-KEV-listed Apache Tomcat partial-PUT path-equivalence finding (CVE-2025-24813) that can reach RCE: confirm the version and the enabling config, score it with CVSS, identify CWE-44 + CWE-502, judge exposure, upgrade and verify, and recognize the hardening that breaks the chain.

Beginner 20 guided steps 5 tasks About 50 minutes Runs in your browser

Skills you will practice

  • Vulnerability and patch management; Vulnerability identification and prioritization; Application server administration and updates

The scenario

You are the systems analyst on call. The scanner flagged CVE-2025-24813 — a partial-PUT path-equivalence flaw in Apache Tomcat that can reach remote code execution — on an internet-facing server, and it is in the CISA KEV catalog. Start by understanding it.

What you will do

  1. Triage the alert4 steps

    Open the ticket · Read the scan report · Which CVE? · Read the ticket

  2. Confirm the version and config4 steps

    Check the version and config · What version is running? · Read the advisory · Is the host affected?

  3. Assess the severity4 steps

    Find the CVSS vector · Compute the base score · What is the base score? · Which weakness classes?

  4. Confirm exposure and scan2 steps

    Check exposure · Baseline scan

  5. Remediate and verify6 steps

    Which fixed version? · Upgrade Tomcat · Confirm the version · Verify with a scan · …

How this lab works

A real Linux-style console. Commands run against real files, so hashes, hex dumps and comparisons give real results.

A file browser where you can place evidence into the lab, either the file provided or one of your own.

Reset a single step, a whole task or the entire lab. The environment is rebuilt so you can try again cleanly.

Progress saves after every step. Close the tab and come back later; your files and answers are waiting.