What is CVE-2021-20538?

CVE-2021-20538 is a critical-severity vulnerability in Ibm Cloud Pak For Security, classified under Incorrect Authorization. CVSS score: 9.1/10. Published 2021-05-10.

How severe is CVE-2021-20538?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Ibm Cloud Pak For Security

CVE-2021-20538

IBM Cloud Pak for Security (CP4S) 1.5.0.0 and 1.5.0.1 could allow a user to obtain sensitive information or perform actions they should not have access to due to incorrect authorization mechanisms. IBM X-Force ID: 198919.

Vulnerability class: Broken Access Control

EPSS: 0.007 (50.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Ibm Cloud Pak For Security — versions 1.5.0.1, 1.5.0.0
Ibm Cloud_pak_for_security — versions 1.5.0.0, 1.5.0.1

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

psirt@us.ibm.com (x_refsource_CONFIRM, Vendor Advisory)
psirt@us.ibm.com (VDB Entry, vdb-entry, Vendor Advisory, x_refsource_XF)

Frequently asked questions

What is CVE-2021-20538?: CVE-2021-20538 is a critical-severity vulnerability in Ibm Cloud Pak For Security, classified under Incorrect Authorization. CVSS score: 9.1/10. Published 2021-05-10.
How severe is CVE-2021-20538?: Critical severity. CVSS v3 base score is 9.1 out of 10.