VDB-182053 · CVE-2021-31786 · GCVE-0-2021-31786

Actions ATS2815/ATS2819 Bluetooth Classic BrakTooth deadlock

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.
2.1	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Actions ATS2815 and ATS2819. This vulnerability affects unknown code of the component Bluetooth Classic Handler. This manipulation causes deadlock. This vulnerability appears as CVE-2021-31786. It is feasible to perform the attack on the physical device. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic was found in Actions ATS2815 and ATS2819 (the affected version is unknown). Affected by this vulnerability is an unknown code of the component Bluetooth Classic Handler. The manipulation with an unknown input leads to a deadlock vulnerability. The CWE definition for the vulnerability is CWE-833. The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock. As an impact it is known to affect availability.

The weakness was presented 09/07/2021. The advisory is shared at dl.packetstormsecurity.net. This vulnerability is known as CVE-2021-31786. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Actions

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.1
VulDB Meta Temp Score: 2.1

VulDB Base Score: 2.1
VulDB Temp Score: 2.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deadlock
CWE: CWE-833 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/23/2021 🔍
09/07/2021 +137 days 🔍
09/07/2021 +0 days 🔍
09/10/2021 +2 days 🔍

Sourcesinfo

Advisory: dl.packetstormsecurity.net
Status: Not defined

CVE: CVE-2021-31786 (🔍)
GCVE (CVE): GCVE-0-2021-31786
GCVE (VulDB): GCVE-100-182053

Entryinfo

Created: 09/07/2021 14:33
Updated: 09/10/2021 00:25
Changes: 09/07/2021 14:33 (50), 09/07/2021 14:59 (2), 09/10/2021 00:25 (2)
Complete: 🔍
Cache ID: 216::103