CVE-2023-21464

MEDIUMNVD 4.03.3▼

4.0

Improper access control in Samsung Calendar prior to versions 12.4.02.9000 in Android 13 and 12.3.08.2000 in Android 12 allows local attacker to configure improper status.

CVSS v3: 4.0
EG Score: 3.3(medium)
EPSS: 18.1%
KEV: Not listed

Published

March 16, 2023

Last Modified

November 21, 2024

References (2)

mobilehttps://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=03
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/serviceWeb.smsb?year=2023&month=03

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-281Improper Preservation of Permissions

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
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Frequently asked(5)

What is CVE-2023-21464?

CVE-2023-21464 is a medium vulnerability published on March 16, 2023. Improper access control in Samsung Calendar prior to versions 12.4.02.9000 in Android 13 and 12.3.08.2000 in Android 12 allows local attacker to configure improper status.

When was CVE-2023-21464 disclosed?

CVE-2023-21464 was first published in the National Vulnerability Database on March 16, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-21464 actively exploited?

CVE-2023-21464 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-21464?

CVE-2023-21464 has a CVSS v3 base score of 4.0 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 3.3.

How do I remediate CVE-2023-21464?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-21464, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-21464

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-21464?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)