CVE-2024-20816

HIGHNVD 8.08.0—

8.0

Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.

CVSS v3: 8.0
EG Score: 8.0(medium)
EPSS: 20.5%
KEV: Not listed

Published

February 6, 2024

Last Modified

November 21, 2024

References (2)

mobilehttps://security.samsungmobile.com/securityUpdate.smsb?year=2024&month=02
af854a3a-2127-422b-91ae-364da2661108https://security.samsungmobile.com/securityUpdate.smsb?year=2024&month=02

Weakness Classification(1)

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

CWE-287Improper Authentication

Data Freshness Timeline

(refreshed 16× 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.

2026-06-07 15:24 UTCepss_batch
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2026-06-06 13:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2024-20816?

CVE-2024-20816 is a high vulnerability published on February 6, 2024. Improper authentication vulnerability in onCharacteristicWriteRequest in Auto Hotspot prior to SMR Feb-2024 Release 1 allows adjacent attackers connect to victim's mobile hotspot without user awareness.

When was CVE-2024-20816 disclosed?

CVE-2024-20816 was first published in the National Vulnerability Database on February 6, 2024, 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-2024-20816 actively exploited?

CVE-2024-20816 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-20816?

CVE-2024-20816 has a CVSS v3 base score of 8.0 (NVD).

How do I remediate CVE-2024-20816?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-20816, 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-2024-20816

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-20816?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)