Path Traversal in Redhat.com Keycloak
CVE-2022-3782
keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.060 (93.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.058 · newest: 0.060 · change: +0.002
Affected products
- Redhat.com Keycloak — versions 20.0.2
- Red Hat Keycloak — versions 20.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2022-3782 (Vendor Advisory)
Frequently asked questions
- What is CVE-2022-3782?
- CVE-2022-3782 is a critical-severity vulnerability in Redhat.com Keycloak, classified under Path Traversal. CVSS score: 9.1/10. Published 2023-01-13.
- How severe is CVE-2022-3782?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2022-3782 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.