Apache Tomcat: h2 DoS - Made You Reset

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-48989
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-08-13 13:15:34 UTC
Updated2026-05-12 13:17:20 UTC
DescriptionImproper 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.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-404 | CWE-404 CWE-404 Improper Resource Shutdown or Release

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Apache Tomcat All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Tomcat affected 11.0.0-M1 11.0.9 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 10.1.0-M1 10.1.43 semver Not specified
CNA Apache Software Foundation Apache Tomcat affected 9.0.0.M1 9.0.107 semver Not specified
CNA Apache Software Foundation Apache Tomcat unknown 8.5.0 8.5.100 semver Not specified
CNA Apache Software Foundation Apache Tomcat unknown 10.0.0-M1 10.0.27 semver Not specified
ADP Siemens SIMATIC CN 4100 affected V5.0 custom Not specified

References

ReferenceSourceLinkTags
lists.apache.org/thread/9ydfg0xr0tchmglcprhxgwhj0hfwxlyf [email protected] lists.apache.org Mailing List, Vendor Advisory
www.kb.cert.org/vuls/id/767506 af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org
cert-portal.siemens.com/productcert/html/ssa-032379.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
www.openwall.com/lists/oss-security/2025/08/13/2 af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Gal Bar Nahum, Anat Bremler-Barr, and Yaniv Harel of Tel Aviv University (en)

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