CVE-2021-29863

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-12-01 · updated 2026-06-17
Weakness: CWE-918

Description

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.

Affected products

IBM QRadar SIEM: from 7.3.0 before 7.3.3; from 7.4.0 before 7.4.3; 7.3.3, 7.3.3-fix_pack_1, 7.3.3-fix_pack_2, 7.3.3-fix_pack_3, 7.3.3-fix_pack_4, 7.3.3-fix_pack_5 (+8) — fixed in 7.3.3, 7.4.3

How to fix

Upgrade to a fixed version: IBM QRadar SIEM 7.3.3, 7.4.3. Check the vendor advisory for mitigations.

References

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