CVE-2021-20137

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
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.
Overview
  • CVE ID
  • CVE-2021-20137
  • Assigner
  • vulnreport@tenable.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-09T16:15:07
  • Last Modified Date
  • 2021-12-13T17:05:05
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:gryphonconnect:gryphon_tower_firmware:*:*:*:*:*:*:*:* 1 OR 04.0004.12
cpe:2.3:h:gryphonconnect:gryphon_tower:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://www.tenable.com/security/research/tra-2021-51 Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20137
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20137
History
Created Old Value New Value Data Type Notes
2022-05-10 06:41:33 Added to TrackCVE
2022-12-06 03:27:56 2021-12-09T16:15Z 2021-12-09T16:15:07 CVE Published Date updated
2022-12-06 03:27:56 2021-12-13T17:05:05 CVE Modified Date updated
2022-12-06 03:27:56 Analyzed Vulnerability Status updated