CVE-2023-21052

At a glance

Severity: MEDIUM 6.7
EPSS: EPSS 0.10 % · percentile 1 (2026-10-28)
State: PUBLISHED
Published: 2023-03-24
Updated: 2025-02-24
Assigner: google_android
NVD status: Modified

Description

In setToExternal of ril_external_client.cpp, there is a possible out of bounds write due to a missing 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-259063189References: N/A

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	CISA-ADP
CVSS 3.1	MEDIUM 6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)
CVSS 3.1	MEDIUM 6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-787

European references

ENISA EUVD · EUVD-2023-25220
GCVE · GCVE-0-2023-21052

Affected configurations (NVD CPE)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Affected products

Product	Versions
Android	affected Android kernel

References

https://source.android.com/security/bulletin/pixel/2023-03-01

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD