What is CVE-2022-39881?

CVE-2022-39881 is a medium-severity vulnerability in Samsung Exynos, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2022-11-09.

How severe is CVE-2022-39881?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Out-of-bounds Read in Samsung Exynos

CVE-2022-39881

Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR Sep-2022 Release allows remote attacker to read out of bounds memory.

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

Published 2022-11-09 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (59.7th percentile), scored 2026-10-25.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 59.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Samsung Exynos
Samsung Exynos Firmware
Samsung Mobile Devices — versions Select devices using Exynos CP chipsets

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2022-39881?: CVE-2022-39881 is a medium-severity vulnerability in Samsung Exynos, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2022-11-09.
How severe is CVE-2022-39881?: Medium severity. CVSS v3 base score is 5.3 out of 10.