CVE-2020-4590

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-09-21 · updated 2026-06-17

Description

IBM WebSphere Application Server Liberty 17.0.0.3 through 20.0.0.9 running oauth-2.0 or openidConnectServer-1.0 server features is vulnerable to a denial of service attack conducted by an authenticated client. IBM X-Force ID: 184650.

Affected products

IBM WebSphere Application Server: from 17.0.0.3 through 20.0.0.9

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/184650
https://www.ibm.com/support/pages/node/6333623
https://exchange.xforce.ibmcloud.com/vulnerabilities/184650
https://www.ibm.com/support/pages/node/6333623

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