How severe is CVE-2021-20341?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in IBM Cloud Pak For Multicloud Management Monitoring

CVE-2021-20341

IBM Cloud Pak for Multicloud Management Monitoring 2.2 returns potentially sensitive information in headers which could lead to further attacks against the system. IBM X-Force ID: 194513.

Published 2021-03-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (63.3th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.000

Affected products

IBM Cloud Pak For Multicloud Management Monitoring — versions 2.2
IBM Cloud Pak For Multicloud Management Monitoring

References

www.ibm.com/support/pages/node/6426997 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/194513 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20341?: CVE-2021-20341 is a medium-severity vulnerability in IBM Cloud Pak For Multicloud Management Monitoring. CVSS score: 5.3/10. Published 2021-03-09.
How severe is CVE-2021-20341?: Medium severity. CVSS v3 base score is 5.3 out of 10.