Google Android 11.0/12.0/13.0 bta_av_act.cc bta_av_rc_disc_done 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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6.4$5k-$25k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Google Android 11.0/12.0/13.0. Affected is the function bta_av_rc_disc_done of the file bta_av_act.cc. Executing a manipulation can lead to out-of-bounds write. This vulnerability is tracked as CVE-2023-20936. The attack is restricted to local execution. No exploit exists. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability was found in Google Android 11.0/12.0/13.0 (Smartphone Operating System). It has been declared as critical. This vulnerability affects the function bta_av_rc_disc_done of the file bta_av_act.cc. 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 bta_av_rc_disc_done of bta_av_act.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11 Android-12 Android-12L Android-13Android ID: A-226927612

The weakness was disclosed 03/25/2023 as A-226927612. The advisory is available at source.android.com. This vulnerability was named CVE-2023-20936 since 11/03/2022. 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 09/05/2025). 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-25104). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Partially
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: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/03/2022 🔍
03/25/2023 +142 days 🔍
03/25/2023 +0 days 🔍
09/05/2025 +895 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-226927612
Status: Confirmed

CVE: CVE-2023-20936 (🔍)
GCVE (CVE): GCVE-0-2023-20936
GCVE (VulDB): GCVE-100-223882
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 03/25/2023 08:07
Updated: 09/05/2025 02:50
Changes: 03/25/2023 08:07 (43), 04/14/2023 14:07 (11), 09/05/2025 02:50 (16)
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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