by Kastro
Paper/Archive/CVE-2020-11020

CVE-2020-11020

faye Faye — Authentication and extension bypass in Faye

EPSS 2%CVSS 9.8
critical.is priorityof 100
45
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 75.4.754 × 2015.1No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Faye>= 0.5.0, < 1.0.4–CNA
Faye>= 1.1.0, < 1.1.3–CNA
Faye>= 1.2.0, < 1.2.5–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub_M (CNA)8.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References

refgithub.com/faye/faye/security/advisories/GHSA-qpg4-4w7w-2mq5refgithub.com/faye/faye/commit/65d297d341b607f3cb0b5fa6021a625a991cc30e