CVE-2021-20253
ansible-tower: Privilege escalation via job isolation escape
Severity Score
6.7
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A flaw was found in ansible-tower. The default installation is vulnerable to Job Isolation escape allowing an attacker to elevate the privilege from a low privileged user to the awx user from outside the isolated environment. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Se encontró un fallo en ansible-tower. La instalación predeterminada es vulnerable al escape de Job Isolation, permitiendo a un atacante elevar el privilegio de un usuario poco privilegiado al usuario awx desde fuera del entorno aislado. La mayor amenaza de esta vulnerabilidad es la confidencialidad e integridad de los datos, así como la disponibilidad del sistema
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2020-12-17 CVE Reserved
- 2021-03-09 CVE Published
- 2023-03-08 EPSS Updated
- 2023-11-25 First Exploit
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-552: Files or Directories Accessible to External Parties
CAPEC
References (3)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/mbadanoiu/CVE-2021-20253 | 2023-11-25 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1928847 | 2021-03-09 | |
| https://access.redhat.com/security/cve/CVE-2021-20253 | 2021-03-09 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Redhat Search vendor "Redhat" | Ansible Tower Search vendor "Redhat" for product "Ansible Tower" | < 3.6.7 Search vendor "Redhat" for product "Ansible Tower" and version " < 3.6.7" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Ansible Tower Search vendor "Redhat" for product "Ansible Tower" | >= 3.7.0 < 3.7.5 Search vendor "Redhat" for product "Ansible Tower" and version " >= 3.7.0 < 3.7.5" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Ansible Tower Search vendor "Redhat" for product "Ansible Tower" | >= 3.8.0 < 3.8.2 Search vendor "Redhat" for product "Ansible Tower" and version " >= 3.8.0 < 3.8.2" | - |
Affected
| ||||||