CVE Vulnerability

CVE-2021-3856

ClassLoaderTheme and ClasspathThemeResourceProviderFactory allows reading any file available as a resource to the classloader. By sending requests for theme resources with a relative path from an external HTTP client, the client will receive the content of random files if available.

4.3 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743 Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2010164 Issue Tracking Vendor Advisory
https://access.redhat.com/security/cve/CVE-2021-3856 Vendor Advisory
https://issues.redhat.com/browse/KEYCLOAK-19422 Permissions Required Vendor Advisory
https://github.com/keycloak/keycloak/pull/8588 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*
Information

Published : 2022-08-26 04:15

Updated : 2022-09-01 03:59

NVD link : CVE-2021-3856

Mitre link : CVE-2021-3856

Products Affected
No products.
CWE
CWE-552