Medium severity · published Dec 15, 2020
CVE-2020-10770
A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter request_uri
5.3
CVSS
69.7%
EPSS
No
On KEV
Description
A flaw was found in Keycloak before 13.0.0, where it is possible to force the server to call out an unverified URL using the OIDC parameter request_uri. This flaw allows an attacker to use this parameter to execute a Server-side request forgery (SSRF) attack.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)69.7% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 12.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10770
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10770
Exploit
http://packetstormsecurity.com/files/164499/Keycloak-12.0.1-Server-Side-Request-Forgery.html
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1846270
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