CVE-2023-39507

MEDIUMNVD 6.16.1—

6.1

Improper authorization in the custom URL scheme handler in "Rikunabi NEXT" App for Android prior to ver. 11.5.0 allows a malicious intent to lead the vulnerable App to access an arbitrary website.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 25.5%
KEV: Not listed

Published

August 16, 2023

Last Modified

November 21, 2024

References (2)

vultures@jpcerthttps://jvn.jp/en/jp/JVN84820712/
af854a3a-2127-422b-91ae-364da2661108https://jvn.jp/en/jp/JVN84820712/

Weakness Classification(1)

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

CWE-862Missing Authorization

Data Freshness Timeline

(refreshed 15× 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.

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Frequently asked(5)

What is CVE-2023-39507?

CVE-2023-39507 is a medium vulnerability published on August 16, 2023. Improper authorization in the custom URL scheme handler in "Rikunabi NEXT" App for Android prior to ver. 11.5.0 allows a malicious intent to lead the vulnerable App to access an arbitrary website.

When was CVE-2023-39507 disclosed?

CVE-2023-39507 was first published in the National Vulnerability Database on August 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-2023-39507 actively exploited?

CVE-2023-39507 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-39507?

CVE-2023-39507 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2023-39507?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-39507, 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-2023-39507

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-39507?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)