{"cve":"CVE-2023-44181","nvd":{"published":"2023-10-13T00:15:11.837","modified":"2026-06-17T06:27:03.653","status":"Modified","description":"An Improperly Implemented Security Check for Standard vulnerability in storm control of Juniper Networks Junos OS QFX5k devices allows packets to be punted to ARP queue causing a l2 loop resulting in a DDOS violations and DDOS syslog.\n\nThis issue is triggered when Storm control is enabled and ICMPv6 packets are present on device.\n\nThis issue affects Juniper Networks:\n\nJunos OS\n\n\n\n  *  All versions prior to 20.2R3-S6 on QFX5k;\n  *  20.3 versions prior to 20.3R3-S5 on QFX5k;\n  *  20.4 versions prior to 20.4R3-S5 on QFX5k;\n  *  21.1 versions prior to 21.1R3-S4 on QFX5k;\n  *  21.2 versions prior to 21.2R3-S3 on QFX5k;\n  *  21.3 versions prior to 21.3R3-S2 on QFX5k;\n  *  21.4 versions prior to 21.4R3 on QFX5k;\n  *  22.1 versions prior to 22.1R3 on QFX5k;\n  *  22.2 versions prior to 22.2R2 on QFX5k.","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://supportportal.juniper.net/JSA73145","https://www.juniper.net/documentation/us/en/software/junos/security-services/topics/task/rate-limiting-storm-control-disabling-cli-els.html","https://supportportal.juniper.net/JSA73145","https://www.juniper.net/documentation/us/en/software/junos/security-services/topics/task/rate-limiting-storm-control-disabling-cli-els.html"],"products":["juniper:junos"],"source":"nvd","synced_at":"2026-10-19T21:39:34.467980132+00:00"},"epss":{"cve":"CVE-2023-44181","score":0.00635,"percentile":0.50421,"date":"2026-11-01"},"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."]}