What is CVE-2021-39089?

CVE-2021-39089 is a medium-severity vulnerability in IBM Cloud Pak For Security, classified under Information Disclosure. CVSS score: 4.3/10. Published 2023-01-20.

How severe is CVE-2021-39089?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in IBM Cloud Pak For Security

CVE-2021-39089

IBM Cloud Pak for Security (CP4S) 1.10.0.0 through 1.10.6.0 could allow an authenticated user to obtain sensitive information from a specially crafted HTTP request. IBM X-Force ID: 216387.

Vulnerability class: Information Disclosure

Published 2023-01-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.2th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% 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 1.10.0.0
IBM Cloud Pak For Security
Linux Kernel

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.ibm.com/support/pages/node/6856405 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/216387 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-39089?: CVE-2021-39089 is a medium-severity vulnerability in IBM Cloud Pak For Security, classified under Information Disclosure. CVSS score: 4.3/10. Published 2023-01-20.
How severe is CVE-2021-39089?: Medium severity. CVSS v3 base score is 4.3 out of 10.