Medium severity · published Nov 17, 2020
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
4.8
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 12.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10776
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10776
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1847428
More from Keycloak
9.8
CVE-2022-1245
A privilege escalation flaw was found in the token exchange feature of keycloak
9.8
CVE-2019-14910
A vulnerability was found in keycloak 7.x, when keycloak is configured with LDAP user federation and StartTLS is used instead of SSL/TLS from the LDAP server (ldaps), in this case…
9.6
CVE-2021-20195
A flaw was found in keycloak in versions before 13.0.0
9.1
CVE-2022-3782
keycloak: path traversal via double URL encoding
9.1
CVE-2019-14837
A flaw was found in keycloack before version 8.0.0