CVE-2021-3856
Severity Score
4.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
ClassLoaderTheme y ClasspathThemeResourceProviderFactory permiten leer cualquier archivo disponible como recurso para el cargador de clases. Al enviar peticiones de recursos de temas con una ruta relativa desde un cliente HTTP externo, el cliente recibirá el contenido de archivos aleatorios si están disponibles.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-10-04 CVE Reserved
- 2022-08-26 CVE Published
- 2024-03-18 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
- CWE-552: Files or Directories Accessible to External Parties
CAPEC
References (4)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/keycloak/keycloak/commit/73f0474008e1bebd0733e62a22aceda9e5de6743 | 2023-07-10 | |
| https://github.com/keycloak/keycloak/pull/8588 | 2023-07-10 |
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-3856 | 2023-07-10 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2010164 | 2023-07-10 |