CVE-2021-47790

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2026-01-16. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.8Exploit: NoneExposed: 0

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

Active WebCam 11.5 contains an unquoted service path vulnerability that allows local attackers to execute arbitrary code with elevated system privileges. Attackers can exploit the misconfigured service path by placing malicious executables in specific directory locations to gain administrative access.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
51(Track*)
EG Risk 51/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
10.9%
KEV
Not listed

Published

January 16, 2026

Last Modified

January 30, 2026

References (5)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 9× 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. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:06 UTCEG score recompute
  3. 2026-07-22 22:53 UTCEG score recompute
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  37. 2026-06-12 23:10 UTCEPSS rescore
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  39. 2026-06-10 22:16 UTCEPSS rescore
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  41. 2026-06-08 14:15 UTCEPSS rescore
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  44. 2026-06-07 15:23 UTCEPSS rescore
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  46. 2026-06-06 13:46 UTCEPSS rescore
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  48. 2026-06-05 22:45 UTCEPSS rescore
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  50. 2026-06-04 13:11 UTCEPSS rescore
  51. 2026-06-04 13:10 UTCEPSS rescore
  52. 2026-06-02 20:11 UTCEPSS rescore
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  54. 2026-06-01 13:50 UTCEPSS rescore
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  56. 2026-05-31 22:29 UTCEPSS rescore
  57. 2026-05-31 00:15 UTCEPSS rescore
  58. 2026-05-31 00:15 UTCEPSS rescore
  59. 2026-05-29 15:47 UTCEG score recompute
  60. 2026-05-29 15:47 UTCGHSA enrichment
  61. 2026-05-29 13:42 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-47790?
CVE-2021-47790 is a high vulnerability published on January 16, 2026. Active WebCam 11.5 contains an unquoted service path vulnerability that allows local attackers to execute arbitrary code with elevated system privileges. Attackers can exploit the misconfigured service path by placing malicious executables in specific directory locations to gain administrative…
When was CVE-2021-47790 disclosed?
CVE-2021-47790 was first published in the National Vulnerability Database on January 16, 2026, with the most recent update on January 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-47790 actively exploited?
CVE-2021-47790 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2021-47790?
CVE-2021-47790 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2021-47790?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-47790, 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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