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CVE-2021-20137 Details

Description

A reflected cross-site scripting vulnerability exists in the url parameter of the /cgi-bin/luci/site_access/ page on the Gryphon Tower router's web interface. An attacker could exploit this issue by tricking a user into following a specially crafted link, granting the attacker javascript execution in the context of the victim's browser.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/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://www.tenable.com/security/research/tra-2021-51	CVE	ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2021-51	[email protected]	ExploitThird Party Advisory

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
gryphonconnect gryphon tower firmware	<= 04.0004.12
CPE cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:::::::: Remediation No remediation found in references.
gryphonconnect gryphon tower	All versions
CPE cpe:2.3:h:gryphonconnect:gryphon_tower:-:::::::* 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]
Dec 13, 2021	Initial Analysis	[email protected]