CVE-2021-20623

CRITICALNVD 9.89.8—

9.8

Video Insight VMS versions prior to 7.8 allows a remote attacker to execute arbitrary code with the system user privilege by sending a specially crafted request.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 84.3%
KEV: Not listed

Published

February 5, 2021

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated May 26, 2026

No patch confirmed yet.

generic

JVN#42252698: Panasonic Video Insight VMS vulnerable to arbitrary code execution

https://jvn.jp/en/jp/JVN42252698/index.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 19× 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 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 21:15 UTCEG score recompute
2026-05-26 21:15 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 16:49 UTCepss_batch

Frequently asked(5)

What is CVE-2021-20623?

CVE-2021-20623 is a critical vulnerability published on February 5, 2021. Video Insight VMS versions prior to 7.8 allows a remote attacker to execute arbitrary code with the system user privilege by sending a specially crafted request.

When was CVE-2021-20623 disclosed?

CVE-2021-20623 was first published in the National Vulnerability Database on February 5, 2021, 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-2021-20623 actively exploited?

CVE-2021-20623 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 84.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-20623?

CVE-2021-20623 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2021-20623?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-20623, 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-2021-20623

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

JVN#42252698: Panasonic Video Insight VMS vulnerable to arbitrary code execution

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-20623?

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Last Modified

Advisory Details (1)

Frequently asked(5)

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