CVE-2018-0173

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2018-0173

Confirmed

Yes

2022-03-03 00:00 UTC

Timestamps

2022-03-03

2022-03-03

Scope

KEV entry: Cisco IOS and IOS XE Software Improper Input Validation Vulnerability | Affected: Cisco / IOS and IOS XE Software | Description: A vulnerability in the Cisco IOS Software and Cisco IOS XE Software function that restores encapsulated option 82 information in DHCP Version 4 (DHCPv4) packets can allow for denial-of-service (DoS). | Required action: Apply updates per vendor instructions. | Due date: 2022-03-17 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2018-0173

References
  • {'id': 'CVE-2018-0173', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-0173'}

cb9d171a-5354-4ae8-baad-ec2435e76ef5

405284c2-e461-4670-8979-7fd2c9755a60

2026-02-02 12:28 UTC

2026-02-06 07:17 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-20"
  ],
  "date_added": "2022-03-03",
  "due_date": "2022-03-17",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "IOS and IOS XE Software",
  "vendorProject": "Cisco",
  "vulnerabilityName": "Cisco IOS and IOS XE Software Improper Input Validation Vulnerability"
}
 -
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