CVE-2023-21493

MEDIUMNVD 6.86.8—

6.8

Improper access control vulnerability in SemShareFileProvider prior to SMR May-2023 Release 1 allows local attackers to access protected data.

CVSS v3: 6.8
EG Score: 6.8(medium)
EPSS: 17.0%
KEV: Not listed

Published

May 4, 2023

Last Modified

November 21, 2024

References (2)

mobilehttps://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/securityUpdate.smsb?year=2023&month=05

Weakness Classification(1)

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

CWE-284Improper Access Control

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.

2026-06-04 13:11 UTCepss_batch
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2026-06-02 20:12 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
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2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2023-21493?

CVE-2023-21493 is a medium vulnerability published on May 4, 2023. Improper access control vulnerability in SemShareFileProvider prior to SMR May-2023 Release 1 allows local attackers to access protected data.

When was CVE-2023-21493 disclosed?

CVE-2023-21493 was first published in the National Vulnerability Database on May 4, 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-2023-21493 actively exploited?

CVE-2023-21493 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 17.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-21493?

CVE-2023-21493 has a CVSS v3 base score of 6.8 (NVD).

How do I remediate CVE-2023-21493?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-21493, 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.

Dependency Blast Radius

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CVE-2023-21493

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-21493?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)