CVE-2021-22645

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 43% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 7.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer versions prior to 10.1, Luxion KeyShot Network Rendering versions prior to 10.1, and Luxion KeyVR versions prior to 10.1 are vulnerable to an attack because the .bip documents display a “load” command, which can be pointed to a .dll from a remote network share. As a result, the .dll entry point can be executed without sufficient UI warning.

CVSS v3
7.8
EG Score
7.8(medium)
EPSS
71.7%
KEV
Not listed

Published

February 23, 2021

Last Modified

November 21, 2024

References (6)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 45× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 14:05 UTCEPSS rescore
  2. 2026-07-21 15:22 UTCEPSS rescore
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  65. 2026-05-26 20:32 UTCEG score recompute
  66. 2026-05-26 20:32 UTCGHSA enrichment
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Frequently asked(5)

What is CVE-2021-22645?
CVE-2021-22645 is a high vulnerability published on February 23, 2021. Luxion KeyShot versions prior to 10.1, Luxion KeyShot Viewer versions prior to 10.1, Luxion KeyShot Network Rendering versions prior to 10.1, and Luxion KeyVR versions prior to 10.1 are vulnerable to an attack because the .bip documents display a “load” command, which can be pointed to a .dll from…
When was CVE-2021-22645 disclosed?
CVE-2021-22645 was first published in the National Vulnerability Database on February 23, 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-2021-22645 actively exploited?
CVE-2021-22645 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 71.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-22645?
CVE-2021-22645 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2021-22645?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22645, 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.

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