What is CVE-2021-20441?

CVE-2021-20441 is a medium-severity vulnerability in IBM Security Verify Bridge, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.9/10. Published 2021-03-03.

How severe is CVE-2021-20441?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in IBM Security Verify Bridge

CVE-2021-20441

IBM Security Verify Bridge uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 196617.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2021-03-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.2% 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: 0.008 · change: +0.001

Affected products

IBM Security Verify Bridge — versions unspecified
IBM Security Verify Bridge
Microsoft Windows

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

www.ibm.com/support/pages/node/6421023 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/196617 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20441?: CVE-2021-20441 is a medium-severity vulnerability in IBM Security Verify Bridge, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.9/10. Published 2021-03-03.
How severe is CVE-2021-20441?: Medium severity. CVSS v3 base score is 5.9 out of 10.