Ansible up to 1.9.1 chroot/jail/Zone Connection Symlink link following

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability has been found in Ansible up to 1.9.1 and classified as problematic. Affected by this vulnerability is some unknown processing of the component chroot/jail/Zone Connection. The manipulation as part of a Symlink leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-59. As an impact it is known to affect integrity.

The bug was discovered 08/17/2015. The weakness was presented 06/07/2017 (oss-sec). The advisory is shared at This vulnerability is known as CVE-2015-6240 since 08/14/2015. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 84523 (FreeBSD : ansible -- multiple vulnerabilities (72fccfdf-2061-11e5-a4a5-002590263bf5)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context local.

Upgrading to version 1.9.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (84523). See 77068 for similar entry.



CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍



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NVD Base Score: 🔍


Class: Privilege escalation
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 84523
Nessus Name: FreeBSD : ansible -- multiple vulnerabilities (72fccfdf-2061-11e5-a4a5-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
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Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ansible 1.9.2


07/02/2015 🔍
07/06/2015 +4 days 🔍
08/14/2015 +39 days 🔍
08/17/2015 +3 days 🔍
06/07/2017 +660 days 🔍
06/07/2017 +0 days 🔍
06/08/2017 +1 days 🔍
10/14/2019 +858 days 🔍


Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-6240 (🔍)
See also: 🔍


Created: 06/08/2017 08:34 AM
Updated: 10/14/2019 02:54 PM
Changes: (2) vulnerability_discoverydate countermeasure_date
Complete: 🔍


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