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CVE-2021-20253

MEDIUM
6.7
CVSS Score
Published: March 9, 2021 at 05:14 PM UTC
Updated: June 17, 2026 at 03:33 AM UTC
1 product affected across 1 vendorAnsible Tower

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Severity
MEDIUM6.7
Exploit prediction
EPSS 0.4%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ansible Tower· Red Hatrpm
95%
v < 3.6.73.7.0 ≤ v < 3.7.53.8.0 ≤ v < 3.8.2ansible-tower 3.8.2, ansible-tower 3.7.5, ansible-tower 3.6.7
Affected range stops below 3.6.7, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.7.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 3.8.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCIssue TrackingVendor Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1928847

CVSS

6.7MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
HIGH
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-552

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