CVE-2025-48989: CWE-404 Improper Resource Shutdown or Release in Apache Software Foundation Apache Tomcat
Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected. Users are recommended to upgrade to one of versions 11.0.10, 10.1.44 or 9.0.108 which fix the issue.
AI Analysis
Technical Summary
This vulnerability in Apache Tomcat arises from improper resource shutdown or release, categorized under CWE-404. It affects multiple active branches of Apache Tomcat, including versions 9, 10, and 11 within specified ranges. The issue can cause availability impact (denial of service) without compromising confidentiality or integrity. The CVSS v3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and an impact limited to availability. The vendor and CERT advisory recommend upgrading to patched versions 11.0.10, 10.1.44, or 9.0.108 to resolve the vulnerability.
Potential Impact
The vulnerability can cause denial of service (availability impact) on affected Apache Tomcat servers by improper resource shutdown or release. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available. Users should upgrade Apache Tomcat to versions 11.0.10, 10.1.44, or 9.0.108 as recommended by the vendor and CERT advisory. No additional mitigation steps are indicated beyond applying the official patches.
CVE-2025-48989: CWE-404 Improper Resource Shutdown or Release in Apache Software Foundation Apache Tomcat
Description
Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected. Users are recommended to upgrade to one of versions 11.0.10, 10.1.44 or 9.0.108 which fix the issue.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache Tomcat arises from improper resource shutdown or release, categorized under CWE-404. It affects multiple active branches of Apache Tomcat, including versions 9, 10, and 11 within specified ranges. The issue can cause availability impact (denial of service) without compromising confidentiality or integrity. The CVSS v3.1 base score is 7.5, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and an impact limited to availability. The vendor and CERT advisory recommend upgrading to patched versions 11.0.10, 10.1.44, or 9.0.108 to resolve the vulnerability.
Potential Impact
The vulnerability can cause denial of service (availability impact) on affected Apache Tomcat servers by improper resource shutdown or release. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are reported in the wild at this time.
Mitigation Recommendations
A fix is available. Users should upgrade Apache Tomcat to versions 11.0.10, 10.1.44, or 9.0.108 as recommended by the vendor and CERT advisory. No additional mitigation steps are indicated beyond applying the official patches.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- apache
- Date Reserved
- 2025-05-29T15:25:37.243Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://www.kb.cert.org/vuls/id/767506","vendor":"CERT"}]
Threat ID: 689c826dad5a09ad00415599
Added to database: 08/13/2025, 12:17:49 UTC
Last enriched: 05/13/2026, 02:34:12 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 558
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.