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CVE-2017-18014

6.1 · MEDIUM

An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before 17.0.3 MR3.

Published Jan 12, 2018CWE-79EPSS 2.31%

Overview

CVE-2017-18014 is a medium-severity vulnerability. It was published on January 12, 2018 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

An NC-25986 issue was discovered in the Logging subsystem of Sophos XG Firewall with SFOS before 17.0.3 MR3. An unauthenticated user can trigger a persistent XSS vulnerability found in the WAF log page (Control Center -> Log Viewer -> in the filter option "Web Server Protection") in the webadmin interface, and execute any action available to the webadmin of the firewall (e.g., creating a new user, enabling SSH, or adding an SSH authorized key). The WAF log page will execute the "User-Agent" parameter in the HTTP POST request.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refseclists.org/fulldisclosure/2018/Jan/24Refblogs.securiteam.com/index.php/archives/3612Refcommunity.sophos.com/kb/en-us/128024Refcommunity.sophos.com/products/xg-firewall/b/xg-blog/posts/sfos-17-0-3-mr3-releasedRefseclists.org/fulldisclosure/2018/Jan/24Refblogs.securiteam.com/index.php/archives/3612Refcommunity.sophos.com/kb/en-us/128024Refcommunity.sophos.com/products/xg-firewall/b/xg-blog/posts/sfos-17-0-3-mr3-released

How CyberStrike helps

Frequently asked questions

What is CVE-2017-18014?

CVE-2017-18014 is a medium-severity vulnerability. It was published on January 12, 2018 and has a CVSS 3.0 base score of 6.1 (MEDIUM).

How severe is CVE-2017-18014?

This vulnerability has a CVSS 3.0 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-18014?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-18014?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2017-18014 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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