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[email protected]CVE-2020-11020

HistoryApr 29, 2020 - 6:15 p.m.

CVE-2020-11020

2020-04-2918:15:13

CWE-287

[email protected]

web.nvd.nist.gov

cve-2020-11020

faye

npm

rubygem

authentication bypass

vulnerability

patch

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.5 High

AI Score

Confidence

High

0.004 Low

EPSS

Percentile

73.4%

JSON

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 configurations

Vulners

NVD

Node

fayefayeRange0.5.0–1.0.4

fayefayeRange1.1.0–1.1.3

fayefayeRange1.2.0–1.2.5

CPENameOperatorVersion
faye_project:fayefaye project fayelt1.0.4
faye_project:fayefaye project fayelt1.1.3
faye_project:fayefaye project fayelt1.2.5

CPE	Name	Operator	Version
faye_project:faye	faye project faye	lt	1.0.4
faye_project:faye	faye project faye	lt	1.1.3
faye_project:faye	faye project faye	lt	1.2.5

CNA Affected

[
  {
    "product": "Faye",
    "vendor": "faye",
    "versions": [
      {
        "status": "affected",
        "version": ">= 0.5.0, < 1.0.4"
      },
      {
        "status": "affected",
        "version": ">= 1.1.0, < 1.1.3"
      },
      {
        "status": "affected",
        "version": ">= 1.2.0, < 1.2.5"
      }
    ]
  }
]