{"id":"CVE-2020-35141","aliases":["GHSA-5x64-925v-h4gv","PYSEC-2026-1878"],"title":"FaucetSDN Ryu Denial of Service Vulnerability","summary":"FaucetSDN Ryu Denial of Service Vulnerability","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","vendor":"ryu","product":"ryu","ecosystem":"pip","affected":["ryu <= 4.34"],"published":"2023-08-11","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-5x64-925v-h4gv","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35141"},{"url":"https://github.com/faucetsdn/ryu/issues/118"},{"url":"https://github.com/faucetsdn/ryu"}],"tags":["osv","pip"],"epss":0.00954,"epssPercentile":0.59296,"ingestedAt":"2026-07-08T18:25:46.240Z","slug":"CVE-2020-35141","body":"## Overview\n\nAn issue was discovered in `OFPQueueGetConfigReply` in `parser.py` in FaucetSDN Ryu version 4.34, allows remote attackers to cause a denial of service (DoS) (infinite loop).\n\n## Affected packages\n\n- `ryu <= 4.34`\n\n## Remediation\n\nRefer to the advisory for the patched release.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}