Google Android 12.0 Bluetooth l2c_ble.cc l2cble_process_sig_cmd out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Android 12.0. Affected by this vulnerability is the function l2cble_process_sig_cmd of the file l2c_ble.cc of the component Bluetooth. Executing a manipulation can lead to out-of-bounds write. The identification of this vulnerability is CVE-2022-20345. The attack may be launched remotely. There is no exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical was found in Google Android 12.0 (Smartphone Operating System). This vulnerability affects the function l2cble_process_sig_cmd of the file l2c_ble.cc of the component Bluetooth. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. The CWE definition for the vulnerability is CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In l2cble_process_sig_cmd of l2c_ble.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution over Bluetooth with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-12 Android-12LAndroid ID: A-230494481

The weakness was shared 08/11/2022 as A-230494481. The advisory is available at source.android.com. This vulnerability was named CVE-2022-20345 since 10/14/2021. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/20/2025). 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

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/14/2021 🔍
08/11/2022 +301 days 🔍
08/11/2022 +0 days 🔍
10/20/2025 +1166 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-230494481
Status: Confirmed

CVE: CVE-2022-20345 (🔍)
GCVE (CVE): GCVE-0-2022-20345
GCVE (VulDB): GCVE-100-206074
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 08/11/2022 07:29
Updated: 10/20/2025 20:58
Changes: 08/11/2022 07:29 (44), 10/20/2025 20:58 (26)
Complete: 🔍
Cache ID: 216::103

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

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