{"cve":"CVE-2024-47502","nvd":{"published":"2024-10-11T16:15:11.413","modified":"2026-06-17T07:57:11.900","status":"Analyzed","description":"An Allocation of Resources Without Limits or Throttling vulnerability in the kernel of Juniper Networks Junos OS Evolved allows an unauthenticated, network based attacker to cause a Denial of Service (DoS).\n\nIn specific cases the state of TCP sessions that are terminated is not cleared, which over time leads to an exhaustion of resources, preventing new connections to the control plane from being established.\n\nA continuously increasing number of connections shown by:\n\n\n\nuser@host > show system connections\n\n\n\nis indicative of the problem. To recover the respective RE needs to be restarted manually.\n\nThis issue only affects IPv4 but does not affect IPv6.\nThis issue only affects TCP sessions established in-band (over an interface on an FPC) but not out-of-band (over the management ethernet port on the routing-engine).\n\nThis issue affects Junos OS Evolved: \n\n  *  All versions before 21.4R3-S9-EVO,\n  *  22.2 versions before 22.2R3-S4-EVO,\n  *  22.4 version before 22.4R3-S3-EVO,\n  *  23.2 versions before 23.2R2-S1-EVO,\n  *  23.4 versions before 23.4R2-EVO.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:U/RE:M","score":8.7},"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-770"],"references":["https://supportportal.juniper.net/JSA88132"],"products":["juniper:junos_os_evolved"],"source":"nvd","synced_at":"2026-10-19T21:55:31.737901711+00:00"},"epss":{"cve":"CVE-2024-47502","score":0.00638,"percentile":0.50583,"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."]}