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CVE-2017-18014 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://blogs.securiteam.com/index.php/archives/3612	CVE	ExploitThird Party Advisory
https://community.sophos.com/kb/en-us/128024	CVE	Vendor Advisory
https://community.sophos.com/products/xg-firewall/b/xg-blog/posts/sfos-17-0-3-mr3-released	CVE	Vendor Advisory
http://seclists.org/fulldisclosure/2018/Jan/24	CVE	Mailing ListThird Party Advisory
https://blogs.securiteam.com/index.php/archives/3612	[email protected]	ExploitThird Party Advisory
https://community.sophos.com/kb/en-us/128024	[email protected]	Vendor Advisory
https://community.sophos.com/products/xg-firewall/b/xg-blog/posts/sfos-17-0-3-mr3-released	[email protected]	Vendor Advisory
http://seclists.org/fulldisclosure/2018/Jan/24	[email protected]	Mailing ListThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
sophos sfos	<= 17.0 17.0 mr1 17.0 mr2 17.0 mr3
CPE cpe:2.3:o:sophos:sfos:::::::: cpe:2.3:o:sophos:sfos:17.0:mr1:::::: cpe:2.3:o:sophos:sfos:17.0:mr2:::::: cpe:2.3:o:sophos:sfos:17.0:mr3:::::: Remediation No remediation found in references.
sophos xg firewall	All versions
CPE cpe:2.3:h:sophos:xg_firewall:-:::::::* Remediation No remediation found in references.

Change History

4 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 6, 2018	Initial Analysis	[email protected]