Medium severity · published Mar 9, 2021
CVE-2021-20253
A flaw was found in ansible-tower
6.7
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Ansible Tower · Redhat
before 3.6.7; 3.7.0 before 3.7.5; 3.8.0 before 3.8.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-20253
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-20253
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1928847
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