VDB-188362 · CVE-2021-39645 · A-199805112

Google Android Kernel privilege escalation

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.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Google Android. It has been declared as problematic. This impacts an unknown function of the component Kernel. Executing a manipulation can lead to an unknown weakness. This vulnerability is tracked as CVE-2021-39645. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as problematic was found in Google Android (Smartphone Operating System) (version now known). This vulnerability affects some unknown processing of the component Kernel. The impact remains unknown.

The weakness was disclosed 12/16/2021 as A-199805112. The advisory is available at source.android.com. This vulnerability was named CVE-2021-39645 since 08/23/2021. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 12/16/2021). It is expected to see the exploit prices for this product increasing in the near future.

Applying a patch is able to eliminate this problem.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Smartphone Operating System

Vendor

Google

Name

Android

License

free

Website

Vendor: https://www.google.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/23/2021 🔍
12/16/2021 +115 days 🔍
12/16/2021 +0 days 🔍
12/18/2021 +2 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-199805112
Status: Confirmed

CVE: CVE-2021-39645 (🔍)
GCVE (CVE): GCVE-0-2021-39645
GCVE (VulDB): GCVE-100-188362
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 12/16/2021 08:17
Updated: 12/18/2021 14:01
Changes: 12/16/2021 08:17 (38), 12/18/2021 14:01 (1)
Complete: 🔍
Cache ID: 216::103