CVE-2019-4279

CRITICAL

IBM WebSphere App Server <9.0 - RCE

Title source: llm

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 from untrusted sources. IBM X-Force ID: 160445.

Exploits (2)

exploitdb WORKING POC
rubyremotewindows
https://www.exploit-db.com/exploits/46969
metasploit WORKING POC EXCELLENT
by b0yd · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/ibm/ibm_was_dmgr_java_deserialization_rce.rb

Scores

CVSS v3 9.8
EPSS 0.8365
EPSS Percentile 99.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-502
Status published
Products (2)
ibm/websphere_application_server 7.0.0.0
ibm/websphere_application_server 8.5.0.0 - 8.5.5.15
Published May 17, 2019
Tracked Since Feb 18, 2026