KEV Entry

CVE-2024-27443

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2024-27443

2025-05-21 13:10 UTC

Timestamps

2025-05-21

2025-05-21

Scope

KEVIntel entry: An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature... | Affected: Zimbra / Zimbra Collaboration (ZCS) | CVSS: 6.1 (MEDIUM) | EPSS: 0.19668 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2024-27443', 'url': 'https://www.cve.org/CVERecord?id=CVE-2024-27443'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2024-27443'}

edb5c00d-b26c-40ef-8a4b-6b9e89061f95

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:46 UTC

2026-06-19 12:46 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2025-05-21T13:10:32.092Z",
  "ahead_of_cisa_kev": {
    "count": 377,
    "unit": "day"
  },
  "cvss_score": 6.1,
  "cvss_severity": "MEDIUM",
  "epss_percentile": 0.97055,
  "epss_score": 0.19668,
  "feed": "KEVIntel (kevintel.com)",
  "not_yet_in_cisa_kev": false,
  "product": "Zimbra Collaboration (ZCS)",
  "title": "An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0. A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature...",
  "used_in_malware": "unknown",
  "vendor": "Zimbra"
}
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