CVE-2023-21268

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-08-14 · updated 2026-06-17
Weakness: CWE-22

Description

In update of MmsProvider.java, there is a possible way to change directory permissions due to a path traversal error. This could lead to local denial of service of SIM recognition with no additional execution privileges needed. User interaction is not needed for exploitation.

Affected products

Android: 11.0, 12.0, 12.1, 13.0

References

https://android.googlesource.com/platform/packages/providers/TelephonyProvider/+/ca4c9a19635119d95900793e7a41b820cd1d94d9
https://source.android.com/security/bulletin/2023-08-01
https://android.googlesource.com/platform/packages/providers/TelephonyProvider/+/ca4c9a19635119d95900793e7a41b820cd1d94d9
https://source.android.com/security/bulletin/2023-08-01

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