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Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The vulnerability allows any client to bypass checks put in place by server-side extensions, by appending extra segments to the message channel. It is patched in versions 1.0.4, 1.1.3 and 1.2.5.
Base Score
9.8| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| faye(RubyGems) | 0.5.0 | 1.0.4 | N/A |
| faye(RubyGems) | 1.1.0 | 1.1.3 | N/A |
| faye(RubyGems) | 1.2.0 | 1.2.5 | N/A |
| Base Score | 9.8 |
|---|---|
| Vector String | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Base Severity | Critical |
| Version | 3.1 |
| Attack Vector (AV) | NETWORK |
