CVE-2020-4450

CRITICAL EXPLOITED IN THE WILD

IBM Websphere Application Server < 8.5.5.18 - Insecure Deserialization

Title source: rule

Description

IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects. IBM X-Force ID: 181231.

Exploits (1)

vulncheck_xdb STUB

remote

https://github.com/yonggui-li/CVE-2020-4464-and-CVE-2020-4450

View Code ZIP pw:eip

References (3)

[VDB Entry, Vendor Advisory] https://exchange.xforce.ibmcloud.com/vulnerabilities/181231

[Patch, Vendor Advisory] https://www.ibm.com/support/pages/node/6220294

[Third Party Advisory, VDB Entry] https://www.zerodayinitiative.com/advisories/ZDI-20-689/

Scores

CVSS v3 9.8

EPSS 0.7186

EPSS Percentile 98.7%

Attack Vector NETWORK

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

Details

VulnCheck KEV 2024-09-18

InTheWild.io 2024-09-18

CWE

CWE-502

Status published

Products (1)

ibm/websphere_application_server 8.5.0.0 - 8.5.5.18

Published Jun 05, 2020

Tracked Since Feb 18, 2026