CVE-2021-20137
Last modified
CVE-2021-20137 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 2.56% chance of exploitation in the next 30 days.
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:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gryphonconnect | Gryphon Tower Firmware | <= 04.0004.12 |
References
- https://www.tenable.com/security/research/tra-2021-51Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2021-51Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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