What is CVE-2021-29755?

CVE-2021-29755 is a high-severity vulnerability in IBM Qradar Security Information And Event Manager, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2022-07-20.

How severe is CVE-2021-29755?

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

Vulnerability in IBM Qradar Security Information And Event Manager

CVE-2021-29755

IBM QRadar SIEM 7.3, 7.4, and 7.5 does not preform proper certificate validation for some inter-host communications. IBM X-Force ID: 202015.

Vulnerability class: Improper Certificate Validation

Published 2022-07-20 · 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: 0.005 (40.4th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.4% 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 Qradar Security Information And Event Manager — versions 7.3.3, 7.4.3, 7.5.0
IBM Qradar Siem — versions 7.3.0, 7.4.0, 7.5.0
Linux Kernel

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

www.ibm.com/support/pages/node/6605431 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/202015 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29755?: CVE-2021-29755 is a high-severity vulnerability in IBM Qradar Security Information And Event Manager, classified under Improper Certificate Validation. CVSS score: 7.5/10. Published 2022-07-20.
How severe is CVE-2021-29755?: High severity. CVSS v3 base score is 7.5 out of 10.