Espressif ESP-IDF up to 4.4 Bluetooth Classic BrakTooth Local 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 (≈)
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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.
4.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Espressif ESP-IDF up to 4.4. This affects an unknown part of the component Bluetooth Classic Handler. The manipulation results in an unknown weakness. This vulnerability is reported as CVE-2021-28139. An attack on the physical device is feasible. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in Espressif ESP-IDF up to 4.4. Affected is an unknown part of the component Bluetooth Classic Handler. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 09/07/2021. The advisory is shared for download at dl.packetstormsecurity.net. This vulnerability is traded as CVE-2021-28139. There are neither technical details nor an exploit publicly available.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.1
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/11/2021 🔍
09/07/2021 +179 days 🔍
09/07/2021 +0 days 🔍
09/10/2021 +2 days 🔍

Sourcesinfo

Advisory: dl.packetstormsecurity.net
Status: Not defined

CVE: CVE-2021-28139 (🔍)
GCVE (CVE): GCVE-0-2021-28139
GCVE (VulDB): GCVE-100-182052

Entryinfo

Created: 09/07/2021 14:31
Updated: 09/10/2021 00:13
Changes: 09/07/2021 14:31 (48), 09/07/2021 14:59 (1), 09/10/2021 00:13 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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