Google Chrome up to 80.0.3987.162 Content Security Policy HTML Page default permission

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.
6.2$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Google Chrome and classified as critical. The affected element is an unknown function of the component Content Security Policy. Performing a manipulation as part of HTML Page results in default permission. This vulnerability was named CVE-2020-6446. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Google Chrome (Web Browser). This affects an unknown part of the component Content Security Policy. The manipulation as part of a HTML Page leads to a default permission vulnerability. CWE is classifying the issue as CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Insufficient policy enforcement in trusted types in Google Chrome prior to 81.0.4044.92 allowed a remote attacker to bypass content security policy via a crafted HTML page.

The weakness was presented 04/13/2020. This vulnerability is uniquely identified as CVE-2020-6446 since 01/08/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 04/14/2020). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1222 for this issue.

Upgrading to version 81.0.4044.92 eliminates this vulnerability.

See VDB-153097, VDB-153096, VDB-153095 and VDB-153094 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 6.5
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: Default permission
CWE: CWE-276 / CWE-266
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-2020-6446 (🔍)
GCVE (CVE): GCVE-0-2020-6446
GCVE (VulDB): GCVE-100-153093
See also: 🔍

Entryinfo

Created: 04/14/2020 09:12
Updated: 05/09/2025 09:28
Changes: 04/14/2020 09:12 (40), 04/14/2020 09:17 (18), 05/18/2024 17:37 (19), 05/09/2025 09:28 (6)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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