Vulnerability in Apache Tomcat (CVE-2018-8014)
Summary
Vulnerability in Apache Tomcat (CVE-2018-8014). Successful exploitation can lead to full system takeover.
Original description
The description as published by the source.
The defaults settings for the CORS filter provided in Apache Tomcat 9.0.0.M1 to 9.0.8, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, 7.0.41 to 7.0.88 are insecure and enable 'supportsCredentials' for all origins. It is expected that users of the CORS filter will have configured it appropriately for their environment rather than using it in the default configuration. Therefore, it is expected that most users will not be impacted by this issue.
Source: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2018-8014 has been found in Apache Tomcat.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Apache Tomcat CVE-2018-8014" on the vendor's site.
CVE-2018-8014 (Apache Tomcat) — CWE-1188 / CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
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.
A vulnerability (CWE-1188) exists in Apache Tomcat.
Check the vendor advisory for the affected versions of Apache Tomcat.
Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'Tomcat' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r '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
Tomcatを grep し、稼働しているサービス・バージョンを把握する。 -
2Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Ubuntu UBUNTU-CVE-2018-8014 tomcat7 Fixed in: 7.0.52-1ubuntu0.14
References
- advisory securityfocus.com
- advisory securitytracker.com
- advisory securitytracker.com
- advisory access.redhat.com
- advisory access.redhat.com
- advisory access.redhat.com
- advisory access.redhat.com
- advisory access.redhat.com
- advisory lists.debian.org
- advisory usn.ubuntu.com
- patch tomcat.apache.org
- patch tomcat.apache.org
- patch tomcat.apache.org
- patch oracle.com
- patch security.netapp.com
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.apache.org
- web lists.debian.org
- web seclists.org
- web oracle.com
- web access.redhat.com
- web access.redhat.com
- web debian.org