What is CVE-2020-4941?

CVE-2020-4941 is a medium-severity vulnerability in IBM Edge, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2021-09-23.

How severe is CVE-2020-4941?

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

Information disclosure in IBM Edge

CVE-2020-4941

IBM Edge 4.2 could reveal sensitive version information about the server from error pages that could aid an attacker in further attacks against the system. IBM X-Force ID: 191941.

Published 2021-09-23 · 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 (52.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 52.4% 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 Edge — versions 4.2
IBM Edge Application Manager — versions 4.2

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

References

www.ibm.com/support/pages/node/6491627 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/191941 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4941?: CVE-2020-4941 is a medium-severity vulnerability in IBM Edge, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2021-09-23.
How severe is CVE-2020-4941?: Medium severity. CVSS v3 base score is 4.3 out of 10.