CVE-2021-29779

Name: CVE-2021-29779
Creator: NVD / NIST
Published: 2021-12-01T17:15:07.443+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 1.20%

Last modified Jun 17, 2026

CVE-2021-29779 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. 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.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

1.20%

64.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions	Update
Ibm	Qradar Security Information And Event Manager	>= 7.3.0, <= 7.3.3	—
Ibm	Qradar Security Information And Event Manager	>= 7.4.0, <= 7.4.3	—
Ibm	Qradar Security Information And Event Manager	7.3.3	Fix Pack 1
Ibm	Qradar Security Information And Event Manager	7.4.2	Fix Pack 1
Ibm	Qradar Security Information And Event Manager	7.4.3	Fix Pack 1

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/203033VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6520484Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/203033VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6520484Patch, Vendor Advisory

Timeline

Published: Dec 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-29779?

How severe is CVE-2021-29779?

CVE-2021-29779 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.

How do I fix CVE-2021-29779?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-29779?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST