BlueZ bluetoothd authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in BlueZ. This affects an unknown part of the component bluetoothd. Such manipulation leads to authorization. This vulnerability is listed as CVE-2021-3658. The attack can be executed directly on the physical device. There is no available exploit. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability was found in BlueZ (unknown version) and classified as problematic. Affected by this issue is an unknown code block of the component bluetoothd. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. Impacted is confidentiality.

The weakness was presented 03/03/2022 as 89. The advisory is shared for download at gitlab.gnome.org. This vulnerability is handled as CVE-2021-3658 since 07/22/2021. There are neither technical details nor an exploit publicly available.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.kernel.org.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 2.0
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

ADP CISA Base Score: 6.5
ADP CISA 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: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Yes
Local: Yes
Remote: Partially

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: git.kernel.org

Timelineinfo

07/22/2021 🔍
03/03/2022 +224 days 🔍
03/03/2022 +0 days 🔍
04/16/2026 +1504 days 🔍

Sourcesinfo

Advisory: 89
Status: Confirmed

CVE: CVE-2021-3658 (🔍)
GCVE (CVE): GCVE-0-2021-3658
GCVE (VulDB): GCVE-100-194108

Entryinfo

Created: 03/03/2022 08:09
Updated: 04/16/2026 00:42
Changes: 03/03/2022 08:09 (38), 03/04/2022 17:51 (1), 03/04/2022 17:58 (1), 11/05/2025 04:15 (33), 04/16/2026 00:42 (11)
Complete: 🔍
Cache ID: 216::103

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