CVE-2025-36099

IBM WebSphere Application Server denial of service

Published Sep 29, 2025 CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
Description
IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A privileged user could exploit this vulnerability to cause the server to consume memory resources.

Remediation

Vendor Solution

IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH67817. For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.25: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH67817 https://www.ibm.com/support/pages/node/7246390   --OR-- · Apply Fix Pack 9.0.5.26 or later (targeted availability 4Q2025). For V8.5.0.0 through 8.5.5.28: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH67817 https://www.ibm.com/support/pages/node/7246390   --OR-- · Apply Fix Pack 8.5.5.29 or later (targeted availability 1Q2026).   Additional interim fixes may be available and linked off the interim fix download page.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-31604 IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A privileged user could exploit this vulnerability to cause the server to consume memory resources.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:websphere_application_server:8.5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0.0.0:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description IBM WebSphere Application Server 8.5 and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A privileged user could exploit this vulnerability to cause the server to consume memory resources.
Title IBM WebSphere Application Server denial of service
First Time appeared Ibm
Ibm websphere Application Server
Weaknesses CWE-770
CPEs cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm websphere Application Server
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Sep 29, 2025, 6:38 PM
Reserved
Apr 15, 2025, 9:16 PM
Status
Analyzed
Published
Sep 29, 2025, 7:15 PM
Modified
Oct 9, 2026, 9:10 AM