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Ansible CVE-2020-25636

HIGH
Insecure Temporary File (CWE-377)
2020-10-05 secalert@redhat.com
7.1
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Secure temp file creation
Impact

CVSS score of 7.1 (HIGH). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-377. A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. Affected products include: Redhat Ansible.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.1 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
High

DescriptionNVD

A flaw was found in Ansible Base when using the aws_ssm connection plugin as there is no namespace separation for file transfers. Files are written directly to the root bucket, making possible to have collisions when running multiple ansible processes. This issue affects mainly the service availability.

Threat Intelligence Overview

EPSS Score
0.3%
Top 78% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.3%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:redhat:ansible:2.10.1:rc2:*:*:*:*:*:*
CVE-2015-1482 MEDIUM POC
5.0 Feb 04

Ansible Tower (aka Ansible UI) before 2.0.5 allows remote attackers to bypass authentication and obtain sensitive inform

CVE-2015-1481 MEDIUM POC
6.5 Feb 04

Ansible Tower (aka Ansible UI) before 2.0.5 allows remote organization administrators to gain privileges by creating a s

CVE-2015-1368 MEDIUM POC
4.3 Jan 27

Multiple cross-site scripting (XSS) vulnerabilities in Ansible Tower (aka Ansible UI) before 2.0.5 allow remote attacker

CVE-2019-10217 MEDIUM POC
6.5 Nov 25

A flaw was found in ansible 2.8.0 before 2.8.4. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploit

CVE-2017-7550 CRITICAL
9.8 Nov 21

A flaw was found in the way Ansible (2.3.x before 2.3.3, and 2.4.x before 2.4.1) passed certain parameters to the jenkin

CVE-2021-33924 CRITICAL
9.8 Sep 29

Confluent Ansible (cp-ansible) version 5.5.0, 5.5.1, 5.5.2 and 6.0.0 is vulnerable to Incorrect Access Control via its a

CVE-2020-1733 MEDIUM POC
5.0 Mar 11

A race condition flaw was found in Ansible Engine 2.7.17 and prior, 2.8.9 and prior, 2.9.6 and prior when running a play

CVE-2014-3498 HIGH
8.8 Jun 08

The user module in ansible before 1.6.6 allows remote authenticated users to execute arbitrary commands. Rated high seve

CVE-2026-89091 HIGH
8.8 Oct 08

Symlink-following file overwrite on the Ansible control node is possible in ansible-core when a user runs `ansible-galax

CVE-2020-1735 MEDIUM POC
4.6 Mar 16

A flaw was found in the Ansible Engine when the fetch module is used. Rated medium severity (CVSS 4.6), this vulnerabili

CVE-2026-87874 HIGH
8.1 Sep 09

Remote code execution via unsafe Python pickle deserialization in the community.general Ansible collection's memcached f

CVE-2015-6240 HIGH
7.8 Jun 07

The chroot, jail, and zone connection plugins in ansible before 1.9.2 allow local users to escape a restricted environme

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