What is CVE-2020-4843?

CVE-2020-4843 is a medium-severity vulnerability in IBM Security Secret Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.3/10. Published 2020-12-21.

How severe is CVE-2020-4843?

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

Vulnerability in IBM Security Secret Server

CVE-2020-4843

IBM Security Secret Server 10.6 stores potentially sensitive information in config files that could be read by an authenticated user. IBM X-Force ID: 190048.

Published 2020-12-21 · 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: 0.005 (40.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · 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-312 — Cleartext Storage of Sensitive Information

References

www.ibm.com/support/pages/node/6250375 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/190048 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4843?: CVE-2020-4843 is a medium-severity vulnerability in IBM Security Secret Server, classified under Cleartext Storage of Sensitive Information. CVSS score: 4.3/10. Published 2020-12-21.
How severe is CVE-2020-4843?: Medium severity. CVSS v3 base score is 4.3 out of 10.