{"cve":"CVE-2024-47503","nvd":{"published":"2024-10-11T16:15:11.663","modified":"2026-06-17T07:57:12.067","status":"Analyzed","description":"An Improper Check for Unusual or Exceptional Conditions vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX4600 and SRX5000 Series allows an unauthenticated and logically adjacent attacker to cause a Denial-of-Service (DoS).\n\nIf in a multicast scenario a sequence of \n\nspecific PIM packets is received, this will cause a flowd crash and restart, which leads to momentary service interruption.\nThis issue affects Junos OS on SRX 4600 and SRX 5000 Series:\n\n\n\n  *  All versions before 21.4R3-S9,\n  *  22.2 versions before 22.2R3-S5,\n  *  22.3 versions before 22.3R3-S4,\n  *  22.4 versions before 22.4R3-S4,\n  *  23.2 versions before 23.2R2-S2,\n  *  23.4 versions before 23.4R2, \n  *  24.2 versions before 24.2R1-S1, 24.2R2.","cvss_v4":{"vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","score":7.1},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-754"],"references":["https://supportportal.juniper.net/JSA88133"],"products":["juniper:junos"],"source":"nvd","synced_at":"2026-10-19T21:55:31.737901711+00:00"},"epss":{"cve":"CVE-2024-47503","score":0.00334,"percentile":0.2683,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}