KEV Entry

CVE-2021-27850

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-27850

2025-04-28 00:00 UTC

Timestamps

2025-04-28

2025-04-28

Scope

KEVIntel entry: Bypass of the fix for CVE-2019-0195 | Affected: Apache Software Foundation / Apache Tapestry | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: True

References
  • {'id': 'CVE-2021-27850', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-27850'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2021-27850'}

f0da9e81-d45f-4f65-be6a-fd4af53b9c04

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-23 14:04 UTC

2026-06-23 14:04 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2025-04-28T00:00:00.000Z",
  "ahead_of_cisa_kev": null,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": null,
  "epss_score": null,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": true,
  "product": "Apache Tapestry",
  "title": "Bypass of the fix for CVE-2019-0195",
  "used_in_malware": "unknown",
  "vendor": "Apache Software Foundation"
}
 -
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