CVE-2025-36038

IBM WebSphere Application Server code execution

Published Jun 25, 2025 CVSS 3.1 · 9 Critical EPSS 13.3% KEV · Not listed
Description
IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.

Remediation

Vendor Solution

For IBM WebSphere Application Server traditional: For V9.0.0.0 through 9.0.5.24: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH66674 --OR-- · Apply Fix Pack 9.0.5.25 or later (targeted availability 3Q2025). For V8.5.0.0 through 8.5.5.27: · Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH66674 --OR-- · Apply Fix Pack 8.5.5.28 or later (targeted availability 3Q2025). 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-2025-19137 IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.
History
Type Values Removed Values Added
First Time appeared Hp
Hp hp-ux
Ibm aix
Ibm i
Ibm z\/os
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Oracle
Oracle solaris
CPEs cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:-:*:*:*:*:*:*:*
cpe:2.3:o:ibm:z\/os:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:*
Vendors & Products Hp
Hp hp-ux
Ibm aix
Ibm i
Ibm z\/os
Linux
Linux linux Kernel
Microsoft
Microsoft windows
Oracle
Oracle solaris
Type Values Removed Values Added
Metrics epss

{'score': 0.00244}

epss

{'score': 0.00171}

Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description IBM WebSphere Application Server 8.5 and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially crafted sequence of serialized objects.
Title IBM WebSphere Application Server code execution
First Time appeared Ibm
Ibm websphere Application Server
Weaknesses CWE-502
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': 9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'}