Is CVE-2025-21035 in the CISA KEV catalog?

No. CVE-2025-21035 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-21035?

CVE-2025-21035 has a CVSS v3 base score of 4.6 (MEDIUM).

What is the EPSS score for CVE-2025-21035?

CVE-2025-21035 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-21035?

Upgrade calendar to 12.6.01.12 or later.

CVE & CISA-KEV Catalog

CVE-2025-21035

MEDIUM

4.6

CVSS v3

NVD

Description

Improper access control in Samsung Calendar prior to version 12.5.06.5 in Android 14 and 12.6.01.12 in Android 15 allows physical attackers to access data across multiple user profiles.

How to fix

Remediation Available

calendarNVD

Affected:< 12.6.01.12Fixed in:12.6.01.12CVE-2025-21035derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorPhysical

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Vendor Advisory1

security.samsungmobile.com

Embed a live status badge for CVE-2025-21035

Markdown

[![CVE-2025-21035](https://tridentstack.com/cve/badge/CVE-2025-21035.svg)](https://tridentstack.com/cve/CVE-2025-21035)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-21035"><img src="https://tridentstack.com/cve/badge/CVE-2025-21035.svg" alt="CVE-2025-21035"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-09-29.