VDB-154585 · CVE-2020-11020 · GCVE-0-2020-11020

Faye up to 1.0.3/1.1.2/1.2.4 on npm improper authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.8	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Faye up to 1.0.3/1.1.2/1.2.4 on npm. This affects an unknown part. This manipulation causes improper authentication. This vulnerability is registered as CVE-2020-11020. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Faye up to 1.0.3/1.1.2/1.2.4 on npm. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was published 04/29/2020 (GitHub Repository). The advisory is shared at github.com. This vulnerability is known as CVE-2020-11020 since 03/30/2020. The attack can be launched remotely. A single authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.0.4, 1.1.3 or 1.2.5 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

NPM Package

Name

Faye

Version

License

open-source

Website

Product: https://github.com/faye/faye/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.1
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.4
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.5
NVD Vector: 🔍

CNA Base Score: 8.5
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Faye 1.0.4/1.1.3/1.2.5
Patch: github.com

Timelineinfo

03/30/2020 🔍
04/29/2020 +30 days 🔍
04/30/2020 +1 days 🔍
06/04/2024 +1496 days 🔍

Sourcesinfo

Product: github.com

Advisory: 65d297d341b607f3cb0b5fa6021a625a991cc30e
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-11020 (🔍)
GCVE (CVE): GCVE-0-2020-11020
GCVE (VulDB): GCVE-100-154585

Entryinfo

Created: 04/30/2020 09:22
Updated: 06/04/2024 12:27
Changes: 04/30/2020 09:22 (38), 04/30/2020 09:27 (11), 10/14/2020 12:47 (1), 10/14/2020 12:55 (1), 06/04/2024 12:21 (19), 06/04/2024 12:27 (18)
Complete: 🔍
Cache ID: 216::103