KEV Entry

CVE-2021-3287

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2021-3287

2024-01-13 18:52 UTC

Characteristics

98.0

Timestamps

2024-01-13

2024-01-13

2024-01-13

Scope

Affected: Zoho / ManageEngine OpManager | Class: other-software | Severity: Critical (CVSS 9.8) | IoT: no | In CISA KEV: no | Honeypot connections on 2023-03-15: 2

References
  • {'id': 'CVE-2021-3287', 'url': 'https://www.cve.org/CVERecord?id=CVE-2021-3287'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

851765da-da2b-4de7-8f8e-b0a59d2ba0b5

c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-06-30 12:19 UTC

2026-06-30 15:35 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
honeypot shadowserver in_the_wild_attempts 0.70
View details 
{
  "1d": "1",
  "30d_avg": 0,
  "7d_avg": 0,
  "90d_avg": 0,
  "cisa_kev": "no",
  "class": "other-software",
  "connections": 2,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "no",
  "observation_date": "2023-03-15",
  "product": "ManageEngine OpManager",
  "type": "http-scan",
  "vendor": "Zoho",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 9.8,
  "vulnerability_severity": "Critical"
}
 -
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