Vulnerability in IBM Websphere Application Server
CVE-2020-4421
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- IBM Websphere Application Server
- IBM Websphere Application Server Liberty — versions 20.0.0.4, 19.0.0.5
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/6205926 (Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/180084 (VDB Entry, vdb-entry, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-4421?
- CVE-2020-4421 is a medium-severity vulnerability in IBM Websphere Application Server, classified under Authentication Bypass by Spoofing. CVSS score: 5.4/10. Published 2020-05-06.
- How severe is CVE-2020-4421?
- Medium severity. CVSS v3 base score is 5.4 out of 10.