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 (≈)
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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, which was classified as critical, was found in Google Chrome. Impacted is an unknown function of the component Content Security Policy. Such manipulation as part of HTML Page leads to default permission. This vulnerability is uniquely identified as CVE-2020-6445. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Google Chrome (Web Browser). Affected by this issue is some unknown functionality of the component Content Security Policy. The manipulation as part of a HTML Page leads to a default permission vulnerability. Using CWE to declare the problem leads to CWE-276. During installation, installed file permissions are set to allow anyone to modify those files. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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 disclosed 04/13/2020. This vulnerability is handled as CVE-2020-6445 since 01/08/2020. The attack may be launched remotely. No form of authentication is required for exploitation. 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 $5k-$25k (estimation calculated on 04/14/2020). It is expected to see the exploit prices for this product increasing in the near future.The MITRE ATT&CK project declares the attack technique as T1222.

Upgrading to version 81.0.4044.92 eliminates this vulnerability.

The entries VDB-153096, VDB-153095, VDB-153094 and VDB-153093 are pretty similar. 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: 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-2020-6445 (🔍)
GCVE (CVE): GCVE-0-2020-6445
GCVE (VulDB): GCVE-100-153092
See also: 🔍

Entryinfo

Created: 04/14/2020 09:11
Updated: 05/09/2025 10:09
Changes: 04/14/2020 09:11 (40), 04/14/2020 09:16 (18), 05/18/2024 17:30 (19), 05/09/2025 10:09 (6)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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