CVE-2022-4137
HIGHDescription
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 user or administrator to interact with a link in order to be vulnerable. This may compromise user details, allowing it to be changed or collected by an attacker.
How to fix
No published remediation has been found for this vulnerability's affected products yet.
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Exploit Intelligence
Moderate risk: more likely to be exploited than 64% of all known CVEs.
References
Related Vulnerabilities
Other CWE-81 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-6892 | Medium | 6.1 | 0.8% | - | - |
| CVE-2019-25027 | Medium | 6.1 | 0.7% | - | Fix |
| CVE-2022-4361 | Critical | 10.0 | 0.6% | - | Fix |
| CVE-2024-47882 | Medium | 5.9 | 0.5% | - | Fix |
| CVE-2025-24344 | Medium | 6.3 | 0.3% | - | - |
| CVE-2025-0883 | Unscored | - | 0.3% | - | - |
Common questions
How do I fix CVE-2022-4137?
No published fix for CVE-2022-4137 has been found yet. Check the linked vendor advisories for guidance as it becomes available.
Is CVE-2022-4137 being actively exploited?
Not that we know of. CVE-2022-4137 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.1% is the estimated probability that it will be exploited in the next 30 days. That is higher than 64% of all scored CVEs.
How severe is CVE-2022-4137?
CVE-2022-4137 has a CVSS v3 base score of 8.1, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.