CVE-2021-3701

Severity Score

6.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in ansible-runner where the default temporary files configuration in ansible-2.0.0 are written to world R/W locations. This flaw allows an attacker to pre-create the directory, resulting in reading private information or forcing ansible-runner to write files as the legitimate user in a place they did not expect. The highest threat from this vulnerability is to confidentiality and integrity.

Se ha encontrado un fallo en ansible-runner en el que la configuración de archivos temporales por defecto en ansible versión 2.0.0, es escrito en ubicaciones R/W del mundo. Este fallo permite a un atacante precrear el directorio, resultando en una lectura de información privada o forzando a ansible-runner a escribir archivos como el usuario legítimo en un lugar que no esperaba. La mayor amenaza de esta vulnerabilidad es para la confidencialidad y la integridad.

*Credits: N/A

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

Single

Confidentiality

Complete

Integrity

Complete

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-08-12 CVE Reserved
2022-08-23 CVE Published
2024-08-03 CVE Updated
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-276: Incorrect Default Permissions

CAPEC

References (4)

URL	Tag	Source
https://github.com/ansible/ansible-runner/issues/738	Issue Tracking

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1977959	2023-02-17
https://github.com/ansible/ansible-runner/pull/742/commits	2023-02-17

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2021-3701	2023-02-17

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		Ansible Runner Search vendor "Redhat" for product "Ansible Runner"				2.0.0 Search vendor "Redhat" for product "Ansible Runner" and version "2.0.0"		-		Affected