What is CVE-2020-4842?

CVE-2020-4842 is a medium-severity vulnerability in IBM Security Secret Server, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.9/10. Published 2020-12-21.

How severe is CVE-2020-4842?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Information disclosure in IBM Security Secret Server

CVE-2020-4842

IBM Security Secret Server 10.6 could allow a remote attacker to obtain sensitive information when a detailed technical error message is returned in the browser. This information could be used in further attacks against the system. IBM X-Force ID: 190046.

Published 2020-12-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

IBM Security Secret Server — versions 10.6
IBM Security Secret Server — versions 10.6
Microsoft Windows

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

www.ibm.com/support/pages/node/6336251 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/190046 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4842?: CVE-2020-4842 is a medium-severity vulnerability in IBM Security Secret Server, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.9/10. Published 2020-12-21.
How severe is CVE-2020-4842?: Medium severity. CVSS v3 base score is 4.9 out of 10.