CVE-2020-4448

CRITICAL

IBM Websphere Application Server < 8.5.5.18 - Insecure Deserialization

Title source: rule

Description

IBM WebSphere Application Server Network Deployment 7.0, 8.0, 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: 181228.

References (3)

[VDB Entry, Vendor Advisory] https://exchange.xforce.ibmcloud.com/vulnerabilities/181228

[Patch, Vendor Advisory] https://www.ibm.com/support/pages/node/6220336

[Third Party Advisory, VDB Entry] https://www.zerodayinitiative.com/advisories/ZDI-20-688/

Scores

CVSS v3 9.8

EPSS 0.1624

EPSS Percentile 94.7%

Attack Vector NETWORK

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

Classification

CWE

CWE-502

Status published

Affected Products (3)

ibm/websphere_application_server < 8.5.5.18

ibm/websphere_virtual_enterprise

Timeline

Published Jun 05, 2020

Tracked Since Feb 18, 2026