What is CVE-2021-29863?

CVE-2021-29863 is a medium-severity vulnerability in IBM Qradar Security Information And Event Manager, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2021-12-01.

How severe is CVE-2021-29863?

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

SSRF in IBM Qradar Security Information And Event Manager

CVE-2021-29863

IBM QRadar SIEM 7.3 and 7.4 is vulnerable to server side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks. This vulnerability is due to an incomplete fix for CVE-2020-4786. IBM X-Force ID: 206087.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2021-12-01 · 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 (40.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% 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
IBM Qradar Siem — versions 7.3, 7.4
Linux Kernel

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

www.ibm.com/support/pages/node/6520490 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/206087 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-29863?: CVE-2021-29863 is a medium-severity vulnerability in IBM Qradar Security Information And Event Manager, classified under Server-Side Request Forgery (SSRF). CVSS score: 4.3/10. Published 2021-12-01.
How severe is CVE-2021-29863?: Medium severity. CVSS v3 base score is 4.3 out of 10.