Vulnerability Details : 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. This flaw allows an attacker to use this parameter to execute a Server-side request forgery (SSRF) attack.
Vulnerability category: Server-side request forgery (SSRF)
Exploit prediction scoring system (EPSS) score for CVE-2020-10770
Probability of exploitation activity in the next 30 days: 33.09%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 97 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-10770
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:N |
10.0
|
2.9
|
NIST |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2020-10770
-
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2020-10770
-
http://packetstormsecurity.com/files/164499/Keycloak-12.0.1-Server-Side-Request-Forgery.html
Keycloak 12.0.1 Server-Side Request Forgery ≈ Packet StormExploit;Third Party Advisory;VDB Entry
-
https://bugzilla.redhat.com/show_bug.cgi?id=1846270
1846270 – (CVE-2020-10770) CVE-2020-10770 keycloak: Default Client configuration is vulnerable to SSRF using "request_uri" parameterIssue Tracking;Vendor Advisory
Products affected by CVE-2020-10770
- cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*