CVE-2021-20137 is a reflected cross-site scripting (XSS) vulnerability affecting the Gryphon Tower router's web interface, specifically in the /cgi-bin/luci/site_access/ page. An attacker could exploit this by convincing a user to click a malicious link, leading to arbitrary JavaScript execution in the victim's browser. Rated Medium severity (CVSS 6.1), it requires user interaction and has a low impact on confidentiality and integrity. While there is no evidence of active exploitation or Metasploit modules, a Nuclei template exists, and community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 04.0004.12CPE matchmatch criteria | cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.