CVE-2021-20401

Name: CVE-2021-20401
Creator: NVD / NIST
Published: 2021-05-05T16:15:07.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.15%

Last modified Jun 17, 2026

CVE-2021-20401 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. IBM QRadar SIEM 7.3 and 7.4 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. IBM X-Force ID: 196075.. EPSS estimates a 0.15% chance of exploitation in the next 30 days.

Description

IBM QRadar SIEM 7.3 and 7.4 contains hard-coded credentials, such as a password or cryptographic key, which it uses for its own inbound authentication, outbound communication to external components, or encryption of internal data. IBM X-Force ID: 196075.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.15%

5.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

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, < 7.4.2
Ibm	Qradar Security Information And Event Manager	7.3.3
Ibm	Qradar Security Information And Event Manager	7.4.2

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/196075VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6449682Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/196075VDB Entry, Vendor Advisory
https://www.ibm.com/support/pages/node/6449682Vendor Advisory

Timeline

Published: May 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20401?

How severe is CVE-2021-20401?

CVE-2021-20401 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.15% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20401?

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-2021-20401?

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

Scan your code now

Source: NVD / NIST