What is CVE-2021-20360?

CVE-2021-20360 is a high-severity vulnerability in IBM Cloud Pak For Applications, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2021-07-13.

How severe is CVE-2021-20360?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in IBM Cloud Pak For Applications

CVE-2021-20360

IBM Cloud Pak for Applications 4.3 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 195031.

Published 2021-07-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

IBM Cloud Pak For Applications — versions 4.3
IBM Cloud Pak For Applications — versions 4.3

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

References

www.ibm.com/support/pages/node/6471271 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/195031 (VDB Entry, vdb-entry)

Frequently asked questions

What is CVE-2021-20360?: CVE-2021-20360 is a high-severity vulnerability in IBM Cloud Pak For Applications, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2021-07-13.
How severe is CVE-2021-20360?: High severity. CVSS v3 base score is 7.5 out of 10.