Google Chrome up to 86.0.4240.198 on ChromeOS Image Burner access control

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.
6.1$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Google Chrome on ChromeOS. The affected element is an unknown function of the component Image Burner. Performing a manipulation results in access control. This vulnerability is identified as CVE-2020-16021. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Google Chrome on ChromeOS (Web Browser). This affects some unknown processing of the component Image Burner. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 01/09/2021. The advisory is shared at crbug.com. This vulnerability is uniquely identified as CVE-2020-16021. 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 10/24/2024). It is expected to see the exploit prices for this product increasing in the near future.MITRE ATT&CK project uses the attack technique T1068 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 209562 (Google Chrome < 87.0.4280.67 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 87.0.4280.66 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209562). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Vendor

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 6.1

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Access control
CWE: CWE-264
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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Nessus ID: 209562
Nessus Name: Google Chrome < 87.0.4280.67 Multiple Vulnerabilities

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Chrome 87.0.4280.66

Timelineinfo

07/27/2020 🔍
01/09/2021 +166 days 🔍
01/09/2021 +0 days 🔍
05/04/2025 +1576 days 🔍

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: crbug.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-16021 (🔍)
GCVE (CVE): GCVE-0-2020-16021
GCVE (VulDB): GCVE-100-167481

Entryinfo

Created: 01/09/2021 12:54
Updated: 05/04/2025 14:24
Changes: 01/09/2021 12:54 (41), 02/10/2021 15:39 (5), 02/10/2021 15:44 (18), 10/24/2024 05:19 (18), 05/04/2025 14:24 (3)
Complete: 🔍
Cache ID: 216::103

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

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