{"cve":"CVE-2020-35139","nvd":{"published":"2023-08-11T14:15:11.297","modified":"2026-06-17T03:13:26.480","status":"Modified","description":"An issue was discovered in OFPBundleCtrlMsg in parser.py in Faucet SDN Ryu version 4.34, allows remote attackers to cause a denial of service (DoS) (infinite loop).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-835"],"references":["https://github.com/faucetsdn/ryu/issues/118","https://github.com/faucetsdn/ryu/issues/118"],"products":["faucet:ryu"],"source":"nvd","synced_at":"2026-10-19T21:39:14.809778102+00:00"},"epss":{"cve":"CVE-2020-35139","score":0.00954,"percentile":0.61384,"date":"2026-11-01"},"kev":null,"osv":[{"id":"GHSA-4987-5p3p-9r27","url":"https://osv.dev/vulnerability/GHSA-4987-5p3p-9r27","summary":"FaucetSDN Ryu Denial of Service Vulnerability","modified":"2026-07-07T17:57:22.807495604Z","packages":[{"ecosystem":"PyPI","name":"ryu","purl":"pkg:pypi/ryu","ranges":["<=4.34"],"fixed":[]}]},{"id":"PYSEC-2026-1876","url":"https://osv.dev/vulnerability/PYSEC-2026-1876","summary":"FaucetSDN Ryu Denial of Service Vulnerability","modified":"2026-07-07T17:46:36.796621382Z","packages":[{"ecosystem":"PyPI","name":"ryu","purl":"pkg:pypi/ryu","ranges":["<=4.34"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}