{"id":"CVE-2024-30398","aliases":["EUVD-2024-28319","GHSA-x3m5-7cpw-xq9j"],"status":"published","title":"Junos OS: SRX4600 Series - A high amount of specific traffic causes packet drops and an eventual PFE crash","description":"An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen a high amount of specific traffic is received on a SRX4600 device, due to an error in internal packet handling, a consistent rise in CPU memory utilization occurs. This results in packet drops in the traffic and eventually the PFE crashes. A manual reboot of the PFE will be required to restore the device to original state.\n\nThis issue affects Junos OS:  \n\n\n  *  21.2 before 21.2R3-S7,\n  *  21.4 before 21.4R3-S6, \n  *  22.1 before 22.1R3-S5, \n  *  22.2 before 22.2R3-S3,\n  *  22.3 before 22.3R3-S2,\n  *  22.4 before 22.4R3,\n\n  *  23.2 before 23.2R1-S2, 23.2R2.","severity":{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00602,"percentile":0.49121,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2024-04-12T15:26:27Z","modified":"2026-06-17T07:26:53Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper networks","product":"junos os"}],"references":[{"url":"https://supportportal.juniper.net/JSA79176","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://www.first.org/cvss/calculator/4.0#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","tags":["technical-description","x_transferred","Issue Tracking"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-30398"},{"url":"https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"url":"https://github.com/advisories/GHSA-x3m5-7cpw-xq9j"}],"sources":{"cve":[{"id":"CVE-2024-30398","title":"Junos OS: SRX4600 Series - A high amount of specific traffic causes packet drops and an eventual PFE crash","description":"An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen a high amount of specific traffic is received on a SRX4600 device, due to an error in internal packet handling, a consistent rise in CPU memory utilization occurs. This results in packet drops in the traffic and eventually the PFE crashes. A manual reboot of the PFE will be required to restore the device to original state.\n\nThis issue affects Junos OS:  \n\n\n  *  21.2 before 21.2R3-S7,\n  *  21.4 before 21.4R3-S6, \n  *  22.1 before 22.1R3-S5, \n  *  22.2 before 22.2R3-S3,\n  *  22.3 before 22.3R3-S2,\n  *  22.4 before 22.4R3,\n\n  *  23.2 before 23.2R1-S2, 23.2R2.","status":"published","published":"2024-04-12T15:26:27.402Z","modified":"2024-08-08T20:28:23.51Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:34:07.482552Z"}],"euvd":[{"id":"EUVD-2024-28319","description":"An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen a high amount of specific traffic is received on a SRX4600 device, due to an error in internal packet handling, a consistent rise in CPU memory utilization occurs. This results in packet drops in the traffic and eventually the PFE crashes. A manual reboot of the PFE will be required to restore the device to original state.\n\nThis issue affects Junos OS:  \n\n\n  *  21.2 before 21.2R3-S7,\n  *  21.4 before 21.4R3-S6, \n  *  22.1 before 22.1R3-S5, \n  *  22.2 before 22.2R3-S3,\n  *  22.3 before 22.3R3-S2,\n  *  22.4 before 22.4R3,\n\n  *  23.2 before 23.2R1-S2, 23.2R2.","status":"published","published":"2024-04-12T15:26:27Z","modified":"2024-08-08T20:28:23Z","cvss":[{"version":"4.0","score":8.7,"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","level":"high"}],"updated_at":"2026-11-03T00:56:21.131507Z"}],"ghsa":[{"id":"GHSA-x3m5-7cpw-xq9j","title":"An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the...","description":"An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen a high amount of specific traffic is received on a SRX4600 device, due to an error in internal packet handling, a consistent rise in CPU memory utilization occurs. This results in packet drops in the traffic and eventually the PFE crashes. A manual reboot of the PFE will be required to restore the device to original state.\n\nThis issue affects Junos OS:  \n21.2 before 21.2R3-S7,\n21.4 before 21.4R3-S6, \n22.1 before 22.1R3-S5, \n22.2 before 22.2R3-S3,\n22.3 before 22.3R3-S2,\n22.4 before 22.4R3,\n23.2 before 23.2R1-S2, 23.2R2.","status":"published","published":"2024-04-12T18:33:27Z","modified":"2025-02-06T21:32:06Z","cvss":[{"version":"4.0","score":8.7,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:59:49.339987Z"}],"nvd":[{"id":"CVE-2024-30398","description":"An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows an unauthenticated, network-based attacker to cause a Denial of Service (DoS).\n\nWhen a high amount of specific traffic is received on a SRX4600 device, due to an error in internal packet handling, a consistent rise in CPU memory utilization occurs. This results in packet drops in the traffic and eventually the PFE crashes. A manual reboot of the PFE will be required to restore the device to original state.\n\nThis issue affects Junos OS:  \n\n\n  *  21.2 before 21.2R3-S7,\n  *  21.4 before 21.4R3-S6, \n  *  22.1 before 22.1R3-S5, \n  *  22.2 before 22.2R3-S3,\n  *  22.3 before 22.3R3-S2,\n  *  22.4 before 22.4R3,\n\n  *  23.2 before 23.2R1-S2, 23.2R2.","status":"published","published":"2024-04-12T16:15:39.497Z","modified":"2026-06-17T07:26:53.68Z","cvss":[{"version":"4.0","score":8.7,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:09:50.299382Z"}]}}