Vulnerability Details : CVE-2023-6927
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
Vulnerability category: Open redirect
Products affected by CVE-2023-6927
- cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-6927
0.44%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 75 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-6927
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST | |
|
4.6
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
2.1
|
2.5
|
Red Hat, Inc. | |
|
4.6
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
N/A
|
N/A
|
RedHat-CVE-2023-6927 |
CWE ids for CVE-2023-6927
-
The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-6927
-
https://access.redhat.com/errata/RHSA-2024:0098
RHSA-2024:0098 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2024:0101
RHSA-2024:0101 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2024:0094
RHSA-2024:0094 - Security Advisory - Red Hat Customer Portal
-
https://bugzilla.redhat.com/show_bug.cgi?id=2255027
2255027 – (CVE-2023-6927) CVE-2023-6927 keycloak: open redirect via "form_post.jwt" JARM response modeIssue Tracking;Vendor Advisory
-
https://access.redhat.com/errata/RHSA-2024:0097
RHSA-2024:0097 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2024:0095
RHSA-2024:0095 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/security/cve/CVE-2023-6927
CVE-2023-6927- Red Hat Customer PortalVendor Advisory
-
https://access.redhat.com/errata/RHSA-2024:0100
RHSA-2024:0100 - Security Advisory - Red Hat Customer Portal
-
https://access.redhat.com/errata/RHSA-2024:0096
RHSA-2024:0096 - Security Advisory - Red Hat Customer Portal
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