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CVE-2025-55754
critical
CVSS 9.6
Vulnerability in org.apache.tomcat:tomcat (CVE-2025-55754)
Summary
vulnerability in org.apache.tomcat:tomcat (CVE-2025-55754). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `9.0.109` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-55754** has been found in org.apache.tomcat:tomcat.
Successful exploitation can lead to full system takeover. CVSS score: 9.6/10.
What to do: upgrade org.apache.tomcat:tomcat to **9.0.109** or later.
If unsure, ask your IT team or search "org.apache.tomcat:tomcat CVE-2025-55754" on the vendor's site.
CVE-2025-55754 (org.apache.tomcat:tomcat) — CWE-150 / CVSS v3 9.6
Attack vector: remote (network-reachable) / unauthenticated
Patched: `9.0.109` — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-150) exists in org.apache.tomcat:tomcat.
📍 Affected scope
org.apache.tomcat:tomcat — .
🔥 Severity
Severity: Critical (CVSS 9.6/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **9.0.109**.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'org.apache.tomcat:tomcat' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'org.apache.tomcat:tomcat' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `org.apache.tomcat:tomcat` を grep し、稼働しているサービス・バージョンを把握する。
-
6Apply patch patch
Upgrade org.apache.tomcat:tomcat to 9.0.109ステージング環境で 9.0.109 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
maven
org.apache.tomcat:tomcat
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.109"}]}]
maven
org.apache.tomcat.embed:tomcat-embed-core
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.109"}]}]
maven
org.apache.tomcat:tomcat-catalina
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.0.109"}]}]
References
- web https://lists.apache.org/thread/j7w54hqbkfcn0xb9xy0wnx8w5nymcbqd
- web http://www.openwall.com/lists/oss-security/2025/10/27/5
- web https://cert-portal.siemens.com/productcert/html/ssa-032379.html
- web https://nvd.nist.gov/vuln/detail/CVE-2025-55754
- web https://github.com/apache/tomcat/commit/138d7f5cfaae683078948303333c080e6faa75d2
- web https://github.com/apache/tomcat/commit/5a3db092982c0c58d4855304167ee757fe5e79bb
- web https://github.com/apache/tomcat/commit/a03cabf3a36a42d27d8d997ed31f034f50ba6cd5
- web https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.45
- web https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.11
- web https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.109
- web https://github.com/advisories/GHSA-vfww-5hm6-hx2j