{
  "crds_version": "0.1",
  "kind": "base",
  "id": "crds:cve-2023-29552",
  "revision": 1,
  "title": "Service Location Protocol — a reflector for flooding",
  "summary": "The service location protocol (SLP) lets an unauthenticated attacker register services of their own, and spoofed traffic then bounces off the service with a large amplification factor. The victim is whoever the traffic is addressed to.",
  "source_type": "cve",
  "severity": "high",
  "cvss": {
    "score": 7.5,
    "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "version": "3.1"
  },
  "epss": 0.65873,
  "exploitation": {
    "known_exploited": true,
    "exploit_available": true,
    "attack_complexity": "low",
    "kev_added": "2023-11-08",
    "prerequisites": "Network access to a host answering on the protocol's port."
  },
  "remediation": {
    "workaround_available": true
  },
  "mitre_attack": [
    "T1498"
  ],
  "kill_chain": "impact",
  "recommended_action": "Block the service location protocol at the network edge and stop the service on hosts that do not need it. This is a protocol design issue, so no vendor patch closes it.",
  "confidence": "medium",
  "provenance": [
    {
      "fields": [
        "cvss",
        "exploitation.attack_complexity",
        "exploitation.exploit_available",
        "references",
        "published_at"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2023-29552",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "exploitation.known_exploited",
        "exploitation.kev_added"
      ],
      "source": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "epss"
      ],
      "source": "https://api.first.org/data/v1/epss?cve=CVE-2023-29552",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "scrty-crds-pipeline/0.1"
    },
    {
      "fields": [
        "title",
        "summary",
        "severity",
        "remediation",
        "mitre_attack",
        "kill_chain",
        "recommended_action",
        "confidence",
        "tags",
        "exploitation.prerequisites"
      ],
      "source": "https://nvd.nist.gov/vuln/detail/CVE-2023-29552",
      "retrieved_at": "2026-09-24T12:52:19.575Z",
      "confidence": "high",
      "extractor": "claude-code"
    }
  ],
  "references": [
    {
      "type": "cve",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-29552",
      "label": "NVD record"
    },
    {
      "type": "cisa",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "label": "CISA Known Exploited Vulnerabilities catalog"
    },
    {
      "type": "exploit",
      "url": "https://curesec.com/blog/article/CVE-2023-29552-Service-Location-Protocol-Denial-of-Service-Amplification-Attack-212.html"
    },
    {
      "type": "exploit",
      "url": "https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp"
    },
    {
      "type": "writeup",
      "url": "https://blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-of-service-dos-amplification-vulnerability-in-slp.html"
    }
  ],
  "published_at": "2023-04-25T16:15:09.537Z",
  "issued_at": "2026-09-24T12:52:19.575Z",
  "tags": [
    "slp",
    "amplification",
    "denial-of-service",
    "protocol",
    "kev"
  ]
}