CVE-2020-4421 | BDVDB-2026-135606 Detail

IBMWebSphere Application Server Liberty

Description#

IBM WebSphere Application Liberty 19.0.0.5 through 20.0.0.4 could allow an authenticated user using openidconnect to spoof another users identify. IBM X-Force ID: 180084.

Impact#

Per CVSS v3.0: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.

Weaknesses#

No weakness recorded in the source data.

References#

Exploit#

No public exploit known

History#

Version 12020-05-06Record published in the CVE List.
Version 22024-09-17Most recent update recorded in the CVE List.

Published

Published: 2020-05-06
Last modified: 2024-09-17

Vendor information

Vendor: IBM
Product: WebSphere Application Server Liberty

All IBM vulnerabilities

Score

5.0 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 50.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
20.0.0.4
Fixed
Not stated
Vulnerable
19.0.0.5
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

Not available

CVSS v3.0

5.0 Medium

CVSS:3.0/A:L/I:L/AV:N/AC:H/S:U/C:L/PR:L/UI:N/RL:O/E:U/RC:C

Metric breakdown
Availability	Low
Integrity	Low
Attack Vector	Network
Attack Complexity	High
Scope	Unchanged
Confidentiality	Low
Privileges Required	Low
User Interaction	None

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).