PT-2020-18074 · Ibm · Ibm Websphere Application Server

Tint0 · Published 2020-06-05 · Updated 2024-09-21 · CVE-2020-4450

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions IBM WebSphere Application Server versions 8.5 through 8.5.5.17 IBM WebSphere Application Server versions 9.0 through 9.0.5.4

Description A remote attacker could execute arbitrary code on the system with a specially-crafted sequence of serialized objects. This issue is related to the IIOP deserialization of untrusted data, allowing for remote code execution.

Recommendations For IBM WebSphere Application Server versions 8.5 through 8.5.5.17, update to version 8.5.5.18 or later. For IBM WebSphere Application Server versions 9.0 through 9.0.5.4, update to version 9.0.5.5 or later.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2020-4450

ZDI-20-689

Affected Products

Ibm Websphere Application Server

References · 6

• https://exchange.xforce.ibmcloud.com/vulnerabilities/181231 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-689 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-4450 · Security Note
• https://ibm.com/support/pages/node/6220294 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-4450 · Vendor Advisory
• https://twitter.com/rst_cloud/status/1837592724737872278 · Twitter Post