{"cve":"CVE-2023-44185","nvd":{"published":"2023-10-13T00:15:12.147","modified":"2026-06-17T06:27:04.463","status":"Modified","description":"An Improper Input Validation vulnerability in the routing protocol daemon (rpd) of Juniper Networks allows an attacker to cause a Denial of Service (DoS )to the device upon receiving and processing a specific malformed ISO VPN BGP UPDATE packet.\n\nContinued receipt of this packet will cause a sustained Denial of Service condition.\n\nThis issue affects:\n\n\n\n  *  Juniper Networks Junos OS:\n  *  All versions prior to 20.4R3-S6;\n  *  21.1 versions prior to 21.1R3-S5;\n  *  21.2 versions prior to 21.2R3-S4;\n  *  21.3 versions prior to 21.3R3-S3;\n  *  21.4 versions prior to 21.4R3-S3;\n  *  22.1 versions prior to 22.1R2-S2, 22.1R3;\n  *  22.2 versions prior to 22.2R2-S1, 22.2R3;\n  *  22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\nJuniper Networks Junos OS Evolved:\n\n\n\n  *  All versions prior to 20.4R3-S6-EVO;\n  *  21.1-EVO version 21.1R1-EVO and later versions prior to 21.2R3-S4-EVO;\n  *  21.3-EVO versions prior to 21.3R3-S3-EVO;\n  *  21.4-EVO versions prior to 21.4R3-S3-EVO;\n  *  22.1-EVO versions prior to 22.1R3-EVO;\n  *  22.2-EVO versions prior to 22.2R2-S1-EVO, 22.2R3-EVO;\n  *  22.3-EVO versions prior to 22.3R1-S2-EVO, 22.3R2-EVO.","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-20"],"references":["https://supportportal.juniper.net/JSA73146","https://supportportal.juniper.net/JSA73146"],"products":["juniper:junos","juniper:junos_os_evolved"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-44185","score":0.00616,"percentile":0.49533,"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."]}