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Case File

CVE-2021-20137

MEDIUM · CVSS 6.1 EPSS 2.56% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-09 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-20137
Severity
MEDIUM
CVSS
6.1
EPSS
2.56%
Java

Original NVD 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.