Vulnerability-Lookup

CVE-2024-34487 (GCVE-0-2024-34487)

Vulnerability from cvelistv5 – Published: 2024-05-05 00:00 – Updated: 2024-11-20 16:18

Summary

OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-11-20 16:10 UTC

CWE

n/a
CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/faucetsdn/ryu/issues/192

Impacted products

1 product

Vendor	Product	Version	CPE status
faucet-sdn	ryu	Affected: 4.34 cpe:2.3:a:faucet-sdn:ryu:4.34:::::::*

Show details on NVD website

JSON

To clipboard

{
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        "affected": [
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              "cpe:2.3:a:faucet-sdn:ryu:4.34:*:*:*:*:*:*:*"
            ],
            "defaultStatus": "unknown",
            "product": "ryu",
            "vendor": "faucet-sdn",
            "versions": [
              {
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                "version": "4.34"
              }
            ]
          }
        ],
        "metrics": [
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              "baseScore": 7.5,
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              "confidentialityImpact": "NONE",
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              "privilegesRequired": "NONE",
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            }
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                  {
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                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-20T16:10:19.617190Z",
                "version": "2.0.3"
              },
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            }
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        ],
        "problemTypes": [
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            ]
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        ],
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  "cveMetadata": {
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    "datePublished": "2024-05-05T00:00:00.000Z",
    "dateReserved": "2024-05-05T00:00:00.000Z",
    "dateUpdated": "2024-11-20T16:18:27.334Z",
    "state": "PUBLISHED"
  },
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      "percentile": "0.50559"
    },
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      "lastModified": "2024-11-21T09:18:48.557",
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    "redhat_vex": {
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      "id": "CVE-2024-34487",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
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      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-34487.json",
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    "vulnrichment": {
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}

FKIE_CVE-2024-34487

Vulnerability from fkie_nvd - Published: 2024-05-05 03:15 - Updated: 2026-06-17 07:33

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0.

References

	URL	Tags
	cve@mitre.org	https://github.com/faucetsdn/ryu/issues/192	Exploit, Issue Tracking, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/faucetsdn/ryu/issues/192	Exploit, Issue Tracking, Vendor Advisory

Impacted products

	Vendor	Product	Version
	facuet	ryu	4.34

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:faucet-sdn:ryu:4.34:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "ryu",
          "vendor": "faucet-sdn",
          "versions": [
            {
              "status": "affected",
              "version": "4.34"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:facuet:ryu:4.34:*:*:*:*:*:*:*",
              "matchCriteriaId": "8F9DAB45-CE95-4E78-B46B-88E7DC69CC99",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0."
    },
    {
      "lang": "es",
      "value": "OFPFlowStats en parser.py en Faucet SDN Ryu 4.34 permite a los atacantes provocar una denegaci\u00f3n de servicio (bucle infinito) mediante inst.length=0."
    }
  ],
  "id": "CVE-2024-34487",
  "lastModified": "2026-06-17T07:33:31.147",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
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        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
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        "ssvcData": {
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          "options": [
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          "role": "CISA Coordinator",
          "timestamp": "2024-11-20T16:10:19.617190Z",
          "version": "2.0.3"
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  },
  "published": "2024-05-05T03:15:07.167",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ],
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    },
    {
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        "Vendor Advisory"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
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      "type": "Secondary"
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}

GHSA-M9VM-8MV9-V5V3

Vulnerability from github – Published: 2024-05-05 03:30 – Updated: 2024-05-06 14:33

Summary

Ryu Infinite Loop vulnerability

Details

OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0.

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "ryu"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "4.34"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2024-34487"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": true,
    "github_reviewed_at": "2024-05-06T14:33:05Z",
    "nvd_published_at": "2024-05-05T03:15:07Z",
    "severity": "MODERATE"
  },
  "details": "`OFPFlowStats` in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via `inst.length=0`.",
  "id": "GHSA-m9vm-8mv9-v5v3",
  "modified": "2024-05-06T14:33:05Z",
  "published": "2024-05-05T03:30:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-34487"
    },
    {
      "type": "WEB",
      "url": "https://github.com/faucetsdn/ryu/issues/192"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/faucetsdn/ryu"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Ryu Infinite Loop vulnerability"
}

PYSEC-2026-1883

Vulnerability from pysec - Published: 2026-07-07 11:45 - Updated: 2026-07-07 17:25

Details

OFPFlowStats in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via inst.length=0.

Impacted products

Name	purl
ryu	pkg:pypi/ryu

Aliases

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "ryu",
        "purl": "pkg:pypi/ryu"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "4.34"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "0.2",
        "1.0",
        "1.1",
        "1.2",
        "1.3",
        "1.4",
        "1.5",
        "1.6",
        "1.7",
        "1.8",
        "1.9",
        "2.0",
        "2.1",
        "2.2",
        "3.1",
        "3.10",
        "3.11",
        "3.12",
        "3.13",
        "3.15",
        "3.17",
        "3.18",
        "3.19",
        "3.2",
        "3.20",
        "3.20.1",
        "3.20.2",
        "3.22",
        "3.23",
        "3.23.1",
        "3.23.2",
        "3.24",
        "3.25",
        "3.25.1",
        "3.26",
        "3.29",
        "3.29.1",
        "3.3",
        "3.30",
        "3.4",
        "3.5",
        "3.6",
        "3.7",
        "3.8",
        "3.9",
        "4.0",
        "4.1",
        "4.10",
        "4.11",
        "4.12",
        "4.13",
        "4.14",
        "4.15",
        "4.16",
        "4.17",
        "4.18",
        "4.19",
        "4.2",
        "4.2.1",
        "4.2.2",
        "4.20",
        "4.21",
        "4.22",
        "4.23",
        "4.24",
        "4.25",
        "4.26",
        "4.27",
        "4.29",
        "4.3",
        "4.30",
        "4.31",
        "4.32",
        "4.33",
        "4.34",
        "4.4",
        "4.5",
        "4.6",
        "4.7",
        "4.8",
        "4.8.1",
        "4.9"
      ]
    }
  ],
  "aliases": [
    "CVE-2024-34487",
    "GHSA-m9vm-8mv9-v5v3"
  ],
  "details": "`OFPFlowStats` in parser.py in Faucet SDN Ryu 4.34 allows attackers to cause a denial of service (infinite loop) via `inst.length=0`.",
  "id": "PYSEC-2026-1883",
  "modified": "2026-07-07T17:25:19.029542Z",
  "published": "2026-07-07T11:45:41.562774Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-34487"
    },
    {
      "type": "WEB",
      "url": "https://github.com/faucetsdn/ryu/issues/192"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/faucetsdn/ryu"
    },
    {
      "type": "PACKAGE",
      "url": "https://pypi.org/project/ryu"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-m9vm-8mv9-v5v3"
    }
  ],
  "summary": "Ryu Infinite Loop vulnerability"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2024-34487 (GCVE-0-2024-34487)

FKIE_CVE-2024-34487

GHSA-M9VM-8MV9-V5V3

PYSEC-2026-1883

Tags

Sightings

Nomenclature

Related by attack behaviour