Google Android 10.0 phNxpExtns_MifareStd.cpp phNciNfc_MfCreateXchgDataHdr out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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6.4$5k-$25k0.00

Summaryinfo

A vulnerability was found in Google Android 10.0. It has been classified as critical. This impacts the function phNciNfc_MfCreateXchgDataHdr of the file phNxpExtns_MifareStd.cpp. This manipulation causes out-of-bounds write. The identification of this vulnerability is CVE-2023-20945. The attack can only be executed locally. There is no exploit available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability has been found in Google Android 10.0 (Smartphone Operating System) and classified as critical. Affected by this vulnerability is the function phNciNfc_MfCreateXchgDataHdr of the file phNxpExtns_MifareStd.cpp. 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. The summary by CVE is:

In phNciNfc_MfCreateXchgDataHdr of phNxpExtns_MifareStd.cpp, 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-10Android ID: A-246932269

The weakness was shared 02/28/2023 as A-246932269. The advisory is shared at source.android.com. This vulnerability is known as CVE-2023-20945 since 11/03/2022. Technical details are known, but no exploit is available. The price for an exploit might be around 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-2023-25113). If you want to get the best quality for vulnerability data then you always have to consider 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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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 🔍
02/28/2023 +117 days 🔍
02/28/2023 +0 days 🔍
09/05/2025 +920 days 🔍

Sourcesinfo

Vendor: google.com

Advisory: A-246932269
Status: Confirmed

CVE: CVE-2023-20945 (🔍)
GCVE (CVE): GCVE-0-2023-20945
GCVE (VulDB): GCVE-100-221989
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20150917

Entryinfo

Created: 02/28/2023 20:55
Updated: 09/05/2025 04:18
Changes: 02/28/2023 20:55 (43), 03/26/2023 11:58 (11), 09/05/2025 04:18 (16)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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