KEV Entry

CVE-2017-12240

Known Exploited Vulnerability Entry External Catalog

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Entry Details
Confirmed Exploited

CVE-2017-12240

2022-03-03 00:00 UTC

Timestamps

2022-03-03

2022-03-03

Scope

KEVIntel entry: The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated,... | Affected: Cisco / Cisco IOS and IOS XE | CVSS: 9.8 (CRITICAL) | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2017-12240', 'url': 'https://www.cve.org/CVERecord?id=CVE-2017-12240'}
  • {'id': 'kevintel', 'url': 'https://kevintel.com/vuln/CVE-2017-12240'}

74edce55-71e2-4ed7-b59a-bb1f15006565

caeb2787-0d58-4236-9039-7c86c3e566f3

2026-06-19 12:47 UTC

2026-06-19 12:47 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report kevintel successful_exploitation 0.70
View details 
{
  "added_date": "2022-03-03T00:00:00.000Z",
  "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": false,
  "product": "Cisco IOS and IOS XE",
  "title": "The DHCP relay subsystem of Cisco IOS 12.2 through 15.6 and Cisco IOS XE Software contains a vulnerability that could allow an unauthenticated,...",
  "used_in_malware": "unknown",
  "vendor": "Cisco"
}
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