Is CVE-2022-4137 in the CISA KEV catalog?

No. CVE-2022-4137 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-4137?

CVE-2022-4137 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2022-4137?

CVE-2022-4137 has an EPSS score of 1.15% (63th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate 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.

CVE & CISA-KEV Catalog

CVE-2022-4137

HIGH

8.1

CVSS v3

NVD

Description

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.

CWE-81 CWE-79Cross-Site Scripting (XSS)

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.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Exploit Intelligence

1.15%probability of exploitation in 30 days

63rdpercentile

Moderate risk: more likely to be exploited than 63% of all known CVEs.

References

Vendor Advisory6

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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.