CVE-2021-38878

Name: CVE-2021-38878
Creator: NVD / NIST
Published: 2022-04-27T16:15:11.43+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2021-38878 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

Description

IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.08%

60.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
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
Ibm	Qradar Security Information And Event Manager	7.4.3
Ibm	Qradar Security Information And Event Manager	7.5.0

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/208756VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6574787Patch, Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/208756VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6574787Patch, Vendor Advisory

Timeline

Published: Apr 27, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-38878?

IBM QRadar 7.3, 7.4, and 7.5 could allow a malicious actor to impersonate an actor due to key exchange without entity authentication. IBM X-Force ID: 208756.

How severe is CVE-2021-38878?

CVE-2021-38878 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2021-38878?

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-2021-38878?

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

Scan your code now

Source: NVD / NIST