CVE-2021-4236
PoC —CVSS 3.1
9.8 critical
EPSS
1%p64
Published
()
Modified
Description
Web Sockets do not execute any AuthenticateMethod methods which may be set, leading to a nil pointer dereference if the returned UserData pointer is assumed to be non-nil, or authentication bypass. This issue only affects WebSockets with an AuthenticateMethod hook. Request handlers that do not explicitly use WebSockets are not vulnerable.
- Vendors
- web project
- Products
- web
- Weakness
- CWE-476
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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