{"id":"CVE-2024-39522","aliases":["EUVD-2024-38048","GHSA-x3hw-m9hx-m5ww"],"status":"published","title":"Junos OS Evolved: CLI parameter processing issue allows privilege escalation","description":"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system.\n\nThe Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.\n\n\nThis issue affects Junos OS Evolved:\n\n\n\n  *  22.3-EVO versions before 22.3R2-EVO,\n  *  22.4-EVO versions before 22.4R1-S1-EVO, 22.4R2-EVO.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0025,"percentile":0.16429,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2024-07-11T15:58:26Z","modified":"2026-06-17T07:42:06Z","products":[{"vendor":"juniper","product":"junos_os_evolved"},{"vendor":"juniper networks","product":"junos os evolved"}],"references":[{"url":"https://supportportal.juniper.net/JSA82975","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39522"},{"url":"https://github.com/advisories/GHSA-x3hw-m9hx-m5ww"}],"sources":{"cve":[{"id":"CVE-2024-39522","title":"Junos OS Evolved: CLI parameter processing issue allows privilege escalation","description":"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system.\n\nThe Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.\n\n\nThis issue affects Junos OS Evolved:\n\n\n\n  *  22.3-EVO versions before 22.3R2-EVO,\n  *  22.4-EVO versions before 22.4R1-S1-EVO, 22.4R2-EVO.","status":"published","published":"2024-07-11T15:58:26.205Z","modified":"2024-08-02T04:26:15.539Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:34:19.28149Z"}],"euvd":[{"id":"EUVD-2024-38048","description":"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system.\n\nThe Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.\n\n\nThis issue affects Junos OS Evolved:\n\n\n\n  *  22.3-EVO versions before 22.3R2-EVO,\n  *  22.4-EVO versions before 22.4R1-S1-EVO, 22.4R2-EVO.","status":"published","published":"2024-07-11T15:58:26Z","modified":"2024-08-02T04:26:15Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-03T03:50:18.019857Z"}],"ghsa":[{"id":"GHSA-x3hw-m9hx-m5ww","title":"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved...","description":"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system.\n\nThe Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.\n\n\nThis issue affects Junos OS Evolved:\n\n\n\n  *  22.3-EVO versions before 22.3R2-EVO,\n  *  22.4-EVO versions before 22.4R1-S1-EVO, 22.4R2-EVO.","status":"published","published":"2024-07-11T18:31:13Z","modified":"2024-07-31T05:03:06Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:57:45.682811Z"}],"nvd":[{"id":"CVE-2024-39522","description":"An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local, authenticated attacker with low privileges to escalate their privileges to 'root' leading to a full compromise of the system.\n\nThe Junos OS Evolved CLI doesn't properly handle command options in some cases, allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.\n\n\nThis issue affects Junos OS Evolved:\n\n\n\n  *  22.3-EVO versions before 22.3R2-EVO,\n  *  22.4-EVO versions before 22.4R1-S1-EVO, 22.4R2-EVO.","status":"published","published":"2024-07-11T16:15:03.443Z","modified":"2026-06-17T07:42:06.84Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:10:12.016585Z"}]}}