In ParseWithAuthType of simdata.cpp, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local…

Description

In ParseWithAuthType of simdata.cpp, there is a possible out of bounds read due to an incorrect bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-243129862References: N/A

Scores

EPSS (exploitation in 30 days)

0.10% · top 99% of all CVEs (6 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.7.

Weakness

• Elevation of privilege
• CWE-125 (opens in a new tab)All about CWE-125 and its CVEs

Affected products

• Android

  • affected Android kernel

References (1)

• https://source.android.com/security/bulletin/pixel/2023-03-01 (opens in a new tab)x_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2023-21063](https://trackcve.app/badge/CVE-2023-21063.svg)](https://trackcve.app/cve/CVE-2023-21063)

Record last updated 20 Feb 2025, 15:55 UTC.