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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.007 (52.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.7% 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 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)
References
- www.ibm.com/support/pages/node/6450849 (Vendor Advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/198919 (VDB Entry, vdb-entry, Vendor Advisory)
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.