Google Chrome up to 80.0.3987.162 WebView Crafted Application authentication spoofing

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.
5.2$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Chrome. This affects an unknown function of the component WebView. The manipulation as part of Crafted Application results in authentication spoofing. This vulnerability is cataloged as CVE-2020-6437. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Chrome (Web Browser). Affected is an unknown functionality of the component WebView. The manipulation as part of a Crafted Application leads to a authentication spoofing vulnerability. CWE is classifying the issue as CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Inappropriate implementation in WebView in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to spoof security UI via a crafted application.

The weakness was shared 04/13/2020. This vulnerability is traded as CVE-2020-6437 since 01/08/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/14/2020). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading to version 81.0.4044.92 eliminates this vulnerability.

The entries VDB-153088, VDB-153087, VDB-153086 and VDB-153085 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 81.0.4044.92

Timelineinfo

01/08/2020 🔍
04/13/2020 +96 days 🔍
04/14/2020 +1 days 🔍
05/09/2025 +1851 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: FEDORA-2020-0e7f1b663b
Status: Confirmed

CVE: CVE-2020-6437 (🔍)
GCVE (CVE): GCVE-0-2020-6437
GCVE (VulDB): GCVE-100-153084
See also: 🔍

Entryinfo

Created: 04/14/2020 09:08
Updated: 05/09/2025 11:41
Changes: 04/14/2020 09:08 (40), 04/14/2020 09:13 (18), 05/18/2024 16:30 (19), 05/09/2025 11:41 (7)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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