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Anthropic-Cybersecurity-Skills/skills/performing-authenticated-vulnerability-scan/references/api-reference.md
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Authenticated Vulnerability Scan — API Reference

Libraries

Library Install Purpose
requests pip install requests Nessus REST API client

Nessus REST API Authentication

Header: X-ApiKeys: accessKey=<key>; secretKey=<key>

Nessus API Endpoints

Method Endpoint Description
GET /scans List all scans
GET /scans/{id} Scan details with results
GET /scans/{id}/hosts/{host_id} Per-host vulnerability details
POST /scans Create new scan
POST /scans/{id}/launch Launch existing scan
POST /scans/{id}/export Export results (nessus/csv/html)
GET /policies List scan policies
GET /credentials List stored credentials

Severity Levels

Index Name CVSS Range
4 Critical 9.0 - 10.0
3 High 7.0 - 8.9
2 Medium 4.0 - 6.9
1 Low 0.1 - 3.9
0 Info Informational

Credential Types for Authenticated Scans

Type Protocol Checks Enabled
SSH Linux/macOS Package versions, file permissions, configs
SMB Windows Patch levels, registry, installed software
ESXi VMware Hypervisor patches, VM configurations
SNMP Network devices Device firmware, community string audit
Database SQL Server/Oracle DB-level patches, user permissions

Key Nessus Plugin Families

Family Description
Windows: Microsoft Bulletins Microsoft security patches
Ubuntu Local Security Checks Ubuntu package vulnerabilities
CGI abuses Web application vulnerabilities
Misc. Miscellaneous security checks
Service detection Network service identification

External References