KEV Entry

CVE-2020-9054

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2020-9054

2022-03-25 00:00 UTC

Timestamps

2022-03-25

2022-03-25

Scope

KEVIntel entry: ZyXEL NAS products running firmware version 5.21 and earlier are vulnerable to pre-authentication command injection in weblogin.cgi | Affected: ZyXEL / NAS326, NAS520, NAS540, NAS542, NSA210, NSA220, NSA220+, NSA221, NSA310, NSA320, NSA320S, NSA325, NSA325v2 | CVSS: 9.8 (CRITICAL) | EPSS: 0.99988 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2020-9054', 'url': 'https://www.cve.org/CVERecord?id=CVE-2020-9054'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2020-9054'}

50c9be1d-3b27-475d-897c-2355132e234b

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 11:13 UTC

2026-06-23 11:13 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2022-03-25T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99984,
  "epss_score": 0.99988,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "NAS326, NAS520, NAS540, NAS542, NSA210, NSA220, NSA220+, NSA221, NSA310, NSA320, NSA320S, NSA325, NSA325v2",
  "title": "ZyXEL NAS products running firmware version 5.21 and earlier are vulnerable to pre-authentication command injection in weblogin.cgi",
  "used_in_malware": "unknown",
  "vendor": "ZyXEL"
}
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