CVE-2017-11610: Incorrect Default Permissions in Supervisor
Summary
CVE-2017-11610: Incorrect Default Permissions in Supervisor. Affects supervisor across 4 version ranges.
< 3.0.1
>= 3.1.0, < 3.1.4
>= 3.2.0, < 3.2.4
>= 3.3.0, < 3.3.3
Fixed in 4 releases; the minimum fixed version depends on the release line you run. How to fix ↓
Also tracked for
- supervisor · Alpine:v3.10
The same CVE-2017-11610 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
Supervisor is an open-source client/server system that allows users to control and monitor processes on UNIX-like operating systems. It provides a web-based interface and an XML-RPC API for managing processes. The vulnerability, identified as CVE-2017-11610, exists in versions of Supervisor prior to 3.0.1, 3.1.x before 3.1.4, 3.2.x before 3.2.4, and 3.3.x before 3.3.3. It allows remote authenticated users to execute arbitrary commands by exploiting a flaw in the XML-RPC server. This vulnerability is classified as high severity with a CVSS score of 8.8.
Vulnerability Detail
The vulnerability arises from incorrect default permissions in the Supervisor XML-RPC server. An attacker with authenticated access can send a specially crafted XML-RPC request to the server, which triggers a command execution. The flaw is related to nested supervisord namespace lookups. By exploiting this vulnerability, an attacker can execute arbitrary commands on the target system, potentially leading to unauthorized access, data breaches, or further compromise of the system.
How To Fix
Latest published version: 4.3.0 as of 22 Oct 2026
pip install --upgrade "supervisor==4.3.0"Upgrading to it may include breaking changes; the versions below are the minimum fixed release for this vulnerability.
If you can't move to the latest
The minimum fixed version depends on the release line you run.
-
< 3.0.13.0.1pip install --upgrade "supervisor==3.0.1" -
>= 3.1.0, < 3.1.43.1.4pip install --upgrade "supervisor==3.1.4" -
>= 3.2.0, < 3.2.43.2.4pip install --upgrade "supervisor==3.2.4" -
>= 3.3.0, < 3.3.33.3.3pip install --upgrade "supervisor==3.3.3"
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
Workaround
As a workaround, users can consider implementing access controls to restrict the XML-RPC server to trusted clients only. This can be achieved by configuring firewall rules or network-level access controls to limit access to the Supervisor XML-RPC server. By restricting access to trusted clients, the risk of exploitation can be mitigated.
Conclusion
The vulnerability in Supervisor (CVE-2017-11610) allows remote authenticated users to execute arbitrary commands. It is crucial to upgrade to the fixed versions of Supervisor (3.0.1, 3.1.4, 3.2.4, or 3.3.3) to mitigate the risk of exploitation. Implementing access controls to restrict the XML-RPC server to trusted clients can also provide additional protection. For further support on vulnerability remediation, contact DevNack.com.
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FAQ
Supervisor is an open-source client/server system for controlling and monitoring processes on UNIX-like operating systems. It provides a web-based interface and an XML-RPC API for managing processes.
The vulnerability allows remote authenticated users to execute arbitrary commands on the target system. This can lead to unauthorized access, data breaches, or further compromise of the system.
To fix this vulnerability, users should upgrade to the fixed versions of Supervisor (3.0.1, 3.1.4, 3.2.4, or 3.3.3). Follow the official documentation or package manager's instructions for upgrading Supervisor.
As a workaround, users can implement access controls to restrict the XML-RPC server to trusted clients only. This can be achieved by configuring firewall rules or network-level access controls.
This vulnerability is classified as high severity with a CVSS score of 8.8.
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