Vulnerability in Red Hat Single Sign-on 7
CVE-2022-4137
A reflected cross-site scripting (XSS) vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a…
EPSS: 0.005 (67.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
Affected products
- Red Hat Single Sign-on 7
- Red Hat Single Sign-on 7.6 For Rhel 7 — versions 0:18.0.6-1.redhat_00001.1.el7sso
- Red Hat Single Sign-on 7.6 For Rhel 8 — versions 0:18.0.6-1.redhat_00001.1.el8sso
- Red Hat Single Sign-on 7.6 For Rhel 9 — versions 0:18.0.6-1.redhat_00001.1.el9sso
Weakness classification (CWE)
Public proof-of-concept exploits
References
- RHSA-2023:1043 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2023:1044 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2023:1045 (vendor-advisory, x_refsource_REDHAT)
- RHSA-2023:1049 (vendor-advisory, x_refsource_REDHAT)
- access.redhat.com/security/cve/CVE-2022-4137 (vdb-entry, x_refsource_REDHAT)
- RHBZ#2148496 (issue-tracking, x_refsource_REDHAT)
Frequently asked questions
- What is CVE-2022-4137?
- CVE-2022-4137 is a high-severity vulnerability in Red Hat Single Sign-on 7, classified under CWE-81. CVSS score: 8.1/10. Published 2023-09-25.
- How severe is CVE-2022-4137?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2022-4137 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.