What is CVE-2021-29704?

CVE-2021-29704 is a high-severity vulnerability in IBM Resilient Security Orchestration Automation And Response, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2021-08-23.

How severe is CVE-2021-29704?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in IBM Resilient Security Orchestration Automation And Response

CVE-2021-29704

IBM Security SOAR uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2021-08-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% 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 Resilient Security Orchestration Automation And Response
IBM Security — versions SOAR

Weakness classification (CWE)

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

References

www.ibm.com/support/pages/node/6482585 (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/200660 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29704?: CVE-2021-29704 is a high-severity vulnerability in IBM Resilient Security Orchestration Automation And Response, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 7.5/10. Published 2021-08-23.
How severe is CVE-2021-29704?: High severity. CVSS v3 base score is 7.5 out of 10.