{
  "id": "CVE-2023-29552",
  "url": "https://spydr.io/cve/CVE-2023-29552",
  "published": "2023-04-25T16:15:09.537Z",
  "modified": "2026-06-17T05:50:32.263Z",
  "score": 7.5,
  "severity": "high",
  "cvss_version": "3.1",
  "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
  "score_source": "NVD",
  "epss": 0.63975,
  "epss_percentile": 0.99205,
  "exploited": true,
  "kev": {
    "added": "2023-11-08",
    "due": "2023-11-29",
    "action": "Apply mitigations per vendor instructions or disable SLP service or port 427/UDP on all systems running on untrusted networks, including those directly connected to the Internet.",
    "ransomware": "Unknown",
    "name": "Service Location Protocol (SLP) Denial-of-Service Vulnerability",
    "notes": "This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. Please check with specific vendors for information on the patching status. For more information please see https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp and https://www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks.; https://nvd.nist.gov/vuln/detail/CVE-2023-29552"
  },
  "ssvc_exploitation": "active",
  "vendors": [
    "netapp",
    "suse",
    "vmware",
    "service location protocol project"
  ],
  "products": [
    "netapp smi-s provider",
    "suse manager server",
    "suse linux enterprise server",
    "vmware esxi",
    "service location protocol project service location protocol"
  ],
  "cwes": [],
  "description": "The Service Location Protocol (SLP, RFC 2608) allows an unauthenticated, remote attacker to register arbitrary services. This could allow the attacker to use spoofed UDP traffic to conduct a denial-of-service attack with a significant amplification factor.",
  "status": "Analyzed",
  "score_type": "Primary",
  "scores": {
    "cvss_v40": null,
    "cvss_v31": 7.5,
    "cvss_v30": null
  },
  "references": [
    {
      "url": "https://blogs.vmware.com/security/2023/04/vmware-response-to-cve-2023-29552-reflective-denial-of-service-dos-amplification-vulnerability-in-slp.html",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://curesec.com/blog/article/CVE-2023-29552-Service-Location-Protocol-Denial-of-Service-Amplification-Attack-212.html",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://datatracker.ietf.org/doc/html/rfc2608",
      "tags": [
        "Technical Description"
      ]
    },
    {
      "url": "https://github.com/curesec/slpload",
      "tags": [
        "Product"
      ]
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20230426-0001/",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.bitsight.com/blog/new-high-severity-vulnerability-cve-2023-29552-discovered-service-location-protocol-slp",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/news-events/alerts/2023/04/25/abuse-service-location-protocol-may-lead-dos-attacks",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ]
    },
    {
      "url": "https://www.suse.com/support/kb/doc/?id=000021051",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-29552",
      "tags": [
        "US Government Resource"
      ]
    }
  ],
  "nvd_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-29552",
  "covered_in": [],
  "attribution": [
    {
      "source": "NVD",
      "url": "https://nvd.nist.gov",
      "notice": "This product uses data from the NVD API but is not endorsed or certified by the NVD."
    },
    {
      "source": "CISA KEV",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "notice": "Known exploited vulnerabilities from the CISA KEV catalog."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss",
      "notice": "Exploit prediction scores from FIRST EPSS."
    }
  ]
}