Ansible
CVE-2020-1733
MEDIUM
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 5.0 (MEDIUM). Attack characteristics: local attack vector, high complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | Successful exploitation could compromise the medium-severity affected system. |
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Alert meAnalysisAI
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 playbook with an unprivileged become user. Rated medium severity (CVSS 5.0). Public exploit code available and 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.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in pypi
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Technical ContextAI · show details
This vulnerability is classified under CWE-377. 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 playbook with an unprivileged become user. When Ansible needs to run a module with become user, the temporary directory is created in /var/tmp. This directory is created with "umask 77 && mkdir -p <dir>"; this operation does not fail if the directory already exists and is owned by another user. An attacker could take advantage to gain control of the become user as the target directory can be retrieved by iterating '/proc/<pid>/cmdline'. Affected products include: Redhat Ansible, Redhat Ansible Tower, Redhat Cloudforms Management Engine, Redhat Openstack, Fedoraproject Fedora.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
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 playbook with an unprivileged become user. When Ansible needs to run a module with become user, the temporary directory is created in /var/tmp. This directory is created with "umask 77 && mkdir -p <dir>"; this operation does not fail if the directory already exists and is owned by another user. An attacker could take advantage to gain control of the become user as the target directory can be retrieved by iterating '/proc/<pid>/cmdline'.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
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.
What every action level means
SSVC AssessmentENISA
Priority Score
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
Ansible Tower (aka Ansible UI) before 2.0.5 allows remote attackers to bypass authentication and obtain sensitive inform
Ansible Tower (aka Ansible UI) before 2.0.5 allows remote organization administrators to gain privileges by creating a s
Multiple cross-site scripting (XSS) vulnerabilities in Ansible Tower (aka Ansible UI) before 2.0.5 allow remote attacker
A flaw was found in ansible 2.8.0 before 2.8.4. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploit
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
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
The user module in ansible before 1.6.6 allows remote authenticated users to execute arbitrary commands. Rated high seve
Symlink-following file overwrite on the Ansible control node is possible in ansible-core when a user runs `ansible-galax
A flaw was found in the Ansible Engine when the fetch module is used. Rated medium severity (CVSS 4.6), this vulnerabili
Remote code execution via unsafe Python pickle deserialization in the community.general Ansible collection's memcached f
The chroot, jail, and zone connection plugins in ansible before 1.9.2 allow local users to escape a restricted environme
The create_script function in the lxc_container module in Ansible before 1.9.6-1 and 2.x before 2.0.2.0 allows local use
Exploit-DB