THREATPORT/VULNERABILITY/CVE-2022-3782
CRITICAL SEVERITY

CVE-2022-3782

Keycloak vulnerability

CVSS
9.1
EPSS
5.8%
EPSS pct
92th
Exploited
No known
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.
Affected vendor
Redhat
Affected product
Keycloak
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness type (CWE)
Published
2023-01-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity.

Its EPSS score of 5.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2022-3782

  • Confirm whether Redhat Keycloak is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-3782.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-3782

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-3782 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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