IBM QRadar SIEM 7.3 and 7.4 could allow an attacker to obtain sensitive information due to the server performing key exchange without entit…

published 2021-12-01 4y ago modified 2026-06-17 4mo ago also EUVD-2021-16253

cvss: 5.9; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits: 0; none known

IBM QRadar SIEM 7.3 and 7.4 could allow an attacker to obtain sensitive information due to the server performing key exchange without entity authentication on inter-host communications using man in the middle techniques. IBM X-Force ID: 203033.

Patch / fix

links 1

ibm.com/support/pages/node/6520484 advisory

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Exploit prediction

1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.9	CVSS:3.0/AC:H/I:N/PR:N/A:N/C:H/UI:N/AV:N/S:U/RC:C/E:U/RL:O
NVD	3.1	5.9	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA	3.0	5.9	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

IBM QRadar SIEM

References

ibm.com /support/pages/node/6520484
patch, vendor-advisory
exchange.xforce.ibmcloud.com /vulnerabilities/203033
vdb-entry, vendor-advisory

Sources

CVE List CVE-2021-29779
NVD CVE-2021-29779

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