Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-20253

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/03/2021
Last modified:
02/06/2021

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.70
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:H/Au:S/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 3.50 LOW
Vector: AV:L/AC:H/Au:S/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): High
Authentication (Au): Single
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
3.50
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:* 3.6.7 (excluding)
cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:* 3.7.0 (including) 3.7.5 (excluding)
cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:* 3.8.0 (including) 3.8.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools