CVE-2023-31820

HIGHNVD 7.57.5—Elevated

7.5

An issue found in Shizutetsu Store v.13.6.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 15.4%
KEV: Not listed

Published

July 13, 2023

Last Modified

November 21, 2024

References (4)

cve@mitrehttp://shizutetsu.com
cve@mitrehttps://github.com/syz913/CVE-reports/blob/main/CVE-2023-31820.md
af854a3a-2127-422b-91ae-364da2661108http://shizutetsu.com
af854a3a-2127-422b-91ae-364da2661108https://github.com/syz913/CVE-reports/blob/main/CVE-2023-31820.md

Weakness Classification(1)

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

CWE-311Missing Encryption of Sensitive Data

Data Freshness Timeline

(refreshed 12× 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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2026-05-26 07:17 UTCepss_batch
2026-05-24 21:14 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-31820?

CVE-2023-31820 is a high vulnerability published on July 13, 2023. An issue found in Shizutetsu Store v.13.6.1 allows a remote attacker to gain access to sensitive information via the channel access token in the miniapp function.

When was CVE-2023-31820 disclosed?

CVE-2023-31820 was first published in the National Vulnerability Database on July 13, 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-2023-31820 actively exploited?

CVE-2023-31820 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-31820?

CVE-2023-31820 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-31820?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-31820, 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-2023-31820

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-31820?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (4)

Frequently asked(5)

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