CVE-2021-20391
LOWCVSS 3.3/10EPSS 0.25%
Last modified
CVE-2021-20391 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 195999.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 195999.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Ibm | Qradar User Behavior Analytics | >= 1.0.0, < 4.1.1 |
References
- https://exchange.xforce.ibmcloud.com/vulnerabilities/195999VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6453103Vendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/195999VDB Entry, Vendor Advisory
- https://www.ibm.com/support/pages/node/6453103Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-20391?
IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 195999.
How severe is CVE-2021-20391?
CVE-2021-20391 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2021-20391?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-20391?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST