What is CVE-2022-25821?

CVE-2022-25821 is a low-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2022-03-10.

How severe is CVE-2022-25821?

Low severity. CVSS v3 base score is 3.3 out of 10.

Is CVE-2022-25821 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Google Android

CVE-2022-25821

Improper use of SMS buffer pointer in Shannon baseband prior to SMR Mar-2022 Release 1 allows OOB read.

Vulnerability class: Buffer Overflow

Published 2022-03-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (1.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 1.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Android — versions 10.0, 11.0, 12.0
Samsung Exynos
Samsung Mobile Devices — versions Q(10), R(11), S(12) devices with Exynos CP chipsets

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

N3vv/N3vv

References

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

Frequently asked questions

What is CVE-2022-25821?: CVE-2022-25821 is a low-severity vulnerability in Google Android, classified under Out-of-bounds Read. CVSS score: 3.3/10. Published 2022-03-10.
How severe is CVE-2022-25821?: Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2022-25821 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.