What is CVE-2023-42527?

CVE-2023-42527 is a medium-severity vulnerability in Samsung Android, classified under Improper Input Validation. CVSS score: 5.6/10. Published 2023-11-07.

How severe is CVE-2023-42527?

Medium severity. CVSS v3 base score is 5.6 out of 10.

Improper input validation in Samsung Android

CVE-2023-42527

Improper input validation vulnerability in ProcessWriteFile of libsec-ril prior to SMR Nov-2023 Release 1 allows local attackers to expose sensitive information.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-11-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.6 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (8.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Samsung Android — versions 11.0, 12.0, 13.0
Samsung Mobile Devices — versions SMR Nov-2023 Release in Android 11, 12, 13

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

security.samsungmobile.com/securityUpdate.smsb (Vendor Advisory)

Frequently asked questions

What is CVE-2023-42527?: CVE-2023-42527 is a medium-severity vulnerability in Samsung Android, classified under Improper Input Validation. CVSS score: 5.6/10. Published 2023-11-07.
How severe is CVE-2023-42527?: Medium severity. CVSS v3 base score is 5.6 out of 10.