CVE-2020-10776
MEDIUMCVSS 4.8/10EPSS 0.77%
Last modified
CVE-2020-10776 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. A flaw was found in Keycloak before version 12.0.0, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.
Description
A flaw was found in Keycloak before version 12.0.0, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.
Metrics
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Keycloak | < 12.0.0 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1847428Issue Tracking, Mitigation, Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1847428Issue Tracking, Mitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-10776?
A flaw was found in Keycloak before version 12.0.0, where it is possible to add unsafe schemes for the redirect_uri parameter. This flaw allows an attacker to perform a Cross-site scripting attack.
How severe is CVE-2020-10776?
CVE-2020-10776 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.
How do I fix CVE-2020-10776?
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.
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Are you affected by CVE-2020-10776?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST