{"id":"CVE-2024-30387","state":"PUBLISHED","title":"Junos OS: ACX5448 & ACX710: Due to interface flaps the PFE process can crash","description":"A Missing Synchronization vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on ACX5448 and ACX710 allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nIf an interface flaps while the system gathers statistics on that interface, two processes simultaneously access a shared resource which leads to a PFE crash and restart.\n\nThis issue affects Junos OS:\n\n\n\n  *  All versions before 20.4R3-S9,\n  *  21.2 versions before 21.2R3-S5, \n  *  21.3 versions before 21.3R3-S5, \n  *  21.4 versions before 21.4R3-S4,\n  *  22.1 versions before 22.1R3-S2,\n  *  22.2 versions before 22.2R3-S2,\n  *  22.3 versions before 22.3R2-S2, 22.3R3,\n  *  22.4 versions before 22.4R2.","publishedAt":"2024-04-12T15:20:04.679Z","updatedAt":"2024-08-02T01:32:07.093Z","severity":{"score":7.1,"label":"High","version":"4.0","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","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"20.4R3-S9","versionType":"semver"},{"version":"21.2","status":"affected","lessThan":"21.2R3-S5","versionType":"semver"},{"version":"21.3","status":"affected","lessThan":"21.3R3-S5","versionType":"semver"},{"version":"21.4","status":"affected","lessThan":"21.4R3-S4","versionType":"semver"},{"version":"22.1","status":"affected","lessThan":"22.1R3-S2","versionType":"semver"},{"version":"22.2","status":"affected","lessThan":"22.2R3-S2","versionType":"semver"},{"version":"22.3","status":"affected","lessThan":"22.3R2-S2, 22.3R3","versionType":"semver"},{"version":"22.4","status":"affected","lessThan":"22.4R2, 22.4R3","versionType":"semver"}],"platforms":["ACX5448","ACX710"]}],"references":["http://supportportal.juniper.net/JSA79187","https://www.first.org/cvss/calculator/4.0#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"],"weaknesses":["CWE-820"],"ingestedAt":"2026-10-29T20:07:21.467Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/30xxx/CVE-2024-30387.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-30387","state":"PUBLISHED","datePublished":"2024-04-12T15:20:04.679Z","dateUpdated":"2024-08-02T01:32:07.093Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2024-03-26T23:06:12.476Z"},"containers":{"cna":{"title":"Junos OS: ACX5448 & ACX710: Due to interface flaps the PFE process can crash","descriptions":[{"lang":"en","value":"A Missing Synchronization vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on ACX5448 and ACX710 allows an unauthenticated, adjacent attacker to cause a Denial-of-Service (DoS).\n\nIf an interface flaps while the system gathers statistics on that interface, two processes simultaneously access a shared resource which leads to a PFE crash and restart.\n\nThis issue affects Junos OS:\n\n\n\n  *  All versions before 20.4R3-S9,\n  *  21.2 versions before 21.2R3-S5, \n  *  21.3 versions before 21.3R3-S5, \n  *  21.4 versions before 21.4R3-S4,\n  *  22.1 versions before 22.1R3-S2,\n  *  22.2 versions before 22.2R3-S2,\n  *  22.3 versions before 22.3R2-S2, 22.3R3,\n  *  22.4 versions before 22.4R2."}],"affected":[{"vendor":"Juniper Networks","product":"Junos 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