CVE-2020-4589

CRITICAL
9.8
CVSS Score
Published: August 13, 2020 at 11:50 AM UTC
Updated: June 17, 2026 at 03:20 AM UTC
1 product affected across 1 vendorWebSphere Application Server

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Severity
CRITICAL9.8
Exploit prediction
EPSS 8%

Description

IBM WebSphere Application Server 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: 184585.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

7.0.0.0 ≤ v ≤ 7.0.0.458.0.0.0 ≤ v ≤ 8.0.0.158.5.0.0 ≤ v ≤ 8.5.5.179.0.0.0 ≤ v ≤ 9.0.5.47.08.08.59.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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