CVE-2021-20401
mediumpriority · track · 31OT risk · elevatedEPSS 0.002 · 5 %ileDEEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.6–7.8
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (11)
Products and version ranges known to be affected.
- ibm qradar security information and event manager7.3.0 → 7.3.3nvdUScpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*
- ibm qradar security information and event manager= 7.3.3nvdUScpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*
- ibm qradar security information and event manager7.4.0 → 7.4.2nvdUScpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*
- ibm qradar security information and event manager= 7.4.2nvdUScpe:2.3:a:ibm:qradar_security_information_and_event_manager:*:*:*:*:*:*:*:*
advisories (1)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-3721IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2021-05-04csaf · cert_bundDE
Ein entfernter, anonymer, authentifizierter, lokaler oder benachbarter Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um Informationen offenzulegen, Cross-Site-Scripting-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen, beliebigen Code auszuführen oder einen Denial of Service Zustand auszulösen.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://exchange.xforce.ibmcloud.com/vulnerabilities/196075cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2021-20401cnnvd
- https://vigilance.fr/vulnerability/IBM-QRadar-SIEM-six-vulnerabilities-35234cnnvd
- https://www.auscert.org.au/bulletins/ESB-2021.1519cnnvd
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-qradar-siem-contains-hard-coded-credentials-cve-2021-20401-cve-2020-4932/cnnvd
- https://www.ibm.com/support/pages/node/6449682cnnvd
- https://exchange.xforce.ibmcloud.com/vulnerabilities/196075enisa_euvd
- https://www.ibm.com/support/pages/node/6449682enisa_euvd
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