KEV Entry

CVE-2021-21087

Known Exploited Vulnerability Entry Previdian

Entry Details
Confirmed Exploited

CVE-2021-21087

2025-07-26 02:00 CEST


Timestamps

2025-07-26

2025-07-26


Scope

ColdFusion Improper neutralization of web input during page generation could lead to arbitrary JavaScript execution in the browser | Affected: Adobe / ColdFusion | CVSS: 5.4 (MEDIUM) | EPSS: 0.37095 | Used in malware: unknown | Not yet in CISA KEV: True


References
  • {'id': 'CVE-2021-21087', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-21087'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2021-21087'}

adcd58f0-735d-49d3-8e56-68e367f86ffb

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": "2025-07-26T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2021-21087",
  "cvss_estimated": false,
  "cvss_score": 5.4,
  "cvss_severity": "MEDIUM",
  "epss_percentile": 0.98475,
  "epss_score": 0.37095,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": true,
  "previous_ids": [],
  "product": "ColdFusion",
  "title": "ColdFusion Improper neutralization of web input during page generation could lead to arbitrary JavaScript execution in the browser",
  "used_in_malware": "unknown",
  "vendor": "Adobe",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2021-21087"
}
-