KEV Entry

CVE-2021-3223

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2021-3223

2026-04-14 02:00 CEST

Timestamps

2026-04-14

2026-04-14

Scope

Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files. | Affected: Node-RED / Node-RED-Dashboard | CVSS: 7.5 (HIGH) | EPSS: 0.18512 | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-3223', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-3223'}
  • {'id': 'GHSA-2HW7-MXVJ-M455', 'url': 'https://github.com/advisories/GHSA-2HW7-MXVJ-M455'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-3223'}

0a2e85a6-509a-4969-bcdc-7bf6e92e0bd4

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-04-14T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-3223",
  "cvss_estimated": false,
  "cvss_score": 7.5,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.97169,
  "epss_score": 0.18512,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-2HW7-MXVJ-M455",
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "Node-RED-Dashboard",
  "title": "Node-RED-Dashboard before 2.26.2 allows ui_base/js/..%2f directory traversal to read files.",
  "used_in_malware": "unknown",
  "vendor": "Node-RED",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-3223"
}
 -
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