KEV Entry

CVE-2020-3259

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2020-3259

2025-09-01 00:00 UTC

Characteristics

75.0

Timestamps

2025-07-12

2025-07-12

2025-09-01

Scope

Affected: Cisco / Cisco ASA and Cisco Firepower Threat Defense | Class: firewall | Severity: High (CVSS 7.5) | IoT: no | In CISA KEV: yes | Honeypot connections on 2025-09-01: 6

References
  • {'id': 'CVE-2020-3259', 'url': 'https://www.cve.org/CVERecord?id=CVE-2020-3259'}
  • {'id': 'shadowserver', 'url': 'https://www.shadowserver.org/what-we-do/network-reporting/honeypot-exploited-vulnerabilities-report/'}

11540ea5-319a-4526-8cf6-6044ea29861f

c8fb6bf1-f81f-4cb8-95b1-eadbb3b54ee8

2026-06-30 09:42 UTC

2026-06-30 11:39 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
honeypot shadowserver in_the_wild_attempts 0.70
View details 
{
  "1d": "2",
  "30d_avg": 0,
  "7d_avg": 2,
  "90d_avg": 0,
  "cisa_kev": "yes",
  "class": "firewall",
  "connections": 6,
  "feed": "Shadowserver Foundation honeypot/exploited-vulnerabilities",
  "iot": "no",
  "observation_date": "2025-09-01",
  "product": "Cisco ASA and Cisco Firepower Threat Defense",
  "type": "http-scan",
  "vendor": "Cisco",
  "vulnerability_class": "CVSS",
  "vulnerability_score": 7.5,
  "vulnerability_severity": "High"
}
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