Vulnerability Database

323,117

Total vulnerabilities in the database

CVE-2010-4508

The WebSockets implementation in Mozilla Firefox 4 through 4.0 Beta 7 does not properly perform proxy upgrade negotiation, which has unspecified impact and remote attack vectors, related to an "inherent problem" with the WebSocket specification.

  • Published: Dec 9, 2010
  • Updated: Nov 9, 2025
  • CVE: CVE-2010-4508
  • Severity: High
  • Exploit:

CVSS v2:

  • Severity: High
  • Score: 10
  • AV:N/AC:L/Au:N/C:C/I:C/A:C

No CWE or OWASP classifications available.