Medium severity · published Dec 15, 2020
CVE-2020-14302
A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations…
4.9
CVSS
1%
EPSS
No
On KEV
Description
A flaw was found in Keycloak before 13.0.0 where an external identity provider, after successful authentication, redirects to a Keycloak endpoint that accepts multiple invocations with the use of the same "state" parameter. This flaw allows a malicious user to perform replay attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 13.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-14302
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-14302
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1849584
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