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Vulnerabilities

Vulnerability · CVE-2025-21035

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 prof

Published Sep 3, 2025 · catalog updated Sep 3, 2025 · Samsung Mobile Samsung Calendar

Last checked Oct 29, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-21035. EPSS is 0.22%. Act only if a listed version of Samsung Mobile Samsung Calendar is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.6
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.22%
Remediation
Advisory link
Affected products
vendor Samsung Mobile Samsung Calendar patch: 12.5.06.5 in Android 14 and 12.6.01.12 in Android 15

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Samsung Mobile Samsung Calendar patch: 12.5.06.5 in Android 14 and 12.6.01.12 in Android 15patch: 12.5.06.5 in Android 14 and 12.6.01.12 in Android 15

How to fix CVE-2025-21035

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-21035. EPSS is 0.22%. Act only if a listed version of Samsung Mobile Samsung Calendar is installed.

Which versions are affected?

Compare what you have installed with Samsung Mobile Samsung Calendar patch: 12.5.06.5 in Android 14 and 12.6.01.12 in Android 15 patch: 12.5.06.5 in Android 14 and 12.6.01.12 in Android 15. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.22%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 3, 2025 · EUVD

    Detected

    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.

  2. Sep 3, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-21035

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-21035

    30-day exploitation probability 0.22%

    first.org
  • EUVDVulnerability recordEUVD-2025-27692

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 29, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • EUVDOct 22, 2026