Vulnerability Details : CVE-2021-20253
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.
Products affected by CVE-2021-20253
- cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*
- cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-20253
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-20253
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:L/AC:H/Au:S/C:P/I:P/A:P |
1.5
|
6.4
|
NIST | |
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST |
CWE ids for CVE-2021-20253
-
The product makes files or directories accessible to unauthorized actors, even though they should not be.Assigned by: secalert@redhat.com (Primary)
References for CVE-2021-20253
-
https://bugzilla.redhat.com/show_bug.cgi?id=1928847
1928847 – (CVE-2021-20253) CVE-2021-20253 ansible-tower: Privilege escalation via job isolation escapeIssue Tracking;Vendor Advisory
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