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Ansible does not collect garbage after playbook run

Moderate severity GitHub Reviewed Published Oct 31, 2025 to the GitHub Advisory Database • Updated Oct 31, 2025

Package

pip ansible (pip)

Affected versions

< 2.10.1

Patched versions

2.10.1

Description

A flaw was found in Ansible Base when using the aws_ssm connection plugin as its garbage collector is not happening after the playbook run is completed. Files would remain in the bucket exposing the data. This issue directly affects data confidentiality.

References

Published by the National Vulnerability Database Oct 5, 2020
Published to the GitHub Advisory Database Oct 31, 2025
Reviewed Oct 31, 2025
Last updated Oct 31, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(34th percentile)

Weaknesses

Improper Removal of Sensitive Information Before Storage or Transfer

The product stores, transfers, or shares a resource that contains sensitive information, but it does not properly remove that information before the product makes the resource available to unauthorized actors. Learn more on MITRE.

CVE ID

CVE-2020-25635

GHSA ID

GHSA-f556-49jc-4rvc

Source code

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