[UPDATE] [high] Apache Tomcat: Multiple vulnerabilities
A remote, authenticated or anonymous attacker can exploit multiple vulnerabilities in Apache Tomcat to execute arbitrary code, bypass security measures, manipulate data, and cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities can allow arbitrary code execution, security bypass, data manipulation, and denial-of-service.
- Who is affected
- Deployments of Apache Tomcat are affected.
- Urgency
- Remediation is important as vulnerabilities are high severity, but not currently exploited.
- Action
- Update to the latest version of Apache Tomcat.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2420
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Exploitation likely imminentCVE-2025-55752EPSS puts this in the most-targeted tier (66.5% 30-day exploitation probability). Prioritize alongside KEV items. Riskier than 99% of all scored CVEs.
- Elevated exploitation riskCVE-2025-5575410.1% 30-day exploitation probability — well above the norm. Schedule remediation this cycle. Riskier than 95% of all scored CVEs.
- Moderate exploitation riskCVE-2025-617951.2% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 64% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-55752 | coverage & exploitation status | NVD · CVE.org |
| CVE-2025-55754 | coverage & exploitation status | NVD · CVE.org |
| CVE-2025-61795 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Apache Tomcat
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[NEW] [medium] Apache Tomcat: Multiple vulnerabilitiescert-bund · 2026-07-31
- medium[NEW] [medium] Apache Tomcat: Vulnerability allows Denial of Servicecert-bund · 2026-07-29
- unknownVulnerability in Apache Tomcat (July 29, 2026)cert-fr-avis · 2026-07-29
- criticalCVE-2026-66713: Deserialization of Untrusted Data (CWE-502) in the Tribes-based clustering component in Apache…nvd · 2026-07-28
- highCVE-2026-66299: Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. Thi…nvd · 2026-07-28
- high[UPDATE] [high] Apache Tomcat and Tomcat Native: Multiple vulnerabilitiescert-bund · 2026-07-27
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