{"id":"CVE-2025-52982","aliases":["EUVD-2025-21148","GHSA-9x9c-4rh9-688v"],"status":"published","title":"Junos OS: MX Series: When specific SIP packets are processed the MS-MPC will crash","description":"An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen an MX Series device with an MS-MPC is configured with two or more service sets which are both processing SIP calls, a specific sequence of call events will lead to a crash and restart of the MS-MPC.\nThis issue affects Junos OS:\n\n\n\n  *  all versions before 21.2R3-S9,\n  *  21.4 versions from 21.4R1,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6.\n\n\n\n\nAs the MS-MPC is EoL after Junos OS 22.4, later versions are not affected.\n\nThis issue does not affect MX-SPC3 or SRX Series devices.","severity":{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00443,"percentile":0.38863,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-404"],"published":"2025-07-11T15:08:53Z","modified":"2026-06-17T09:37:21Z","products":[{"vendor":"juniper","product":"junos"},{"vendor":"juniper networks","product":"junos os"}],"references":[{"url":"https://supportportal.juniper.net/JSA100088","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52982"},{"url":"https://github.com/advisories/GHSA-9x9c-4rh9-688v"}],"sources":{"cve":[{"id":"CVE-2025-52982","title":"Junos OS: MX Series: When specific SIP packets are processed the MS-MPC will crash","description":"An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen an MX Series device with an MS-MPC is configured with two or more service sets which are both processing SIP calls, a specific sequence of call events will lead to a crash and restart of the MS-MPC.\nThis issue affects Junos OS:\n\n\n\n  *  all versions before 21.2R3-S9,\n  *  21.4 versions from 21.4R1,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6.\n\n\n\n\nAs the MS-MPC is EoL after Junos OS 22.4, later versions are not affected.\n\nThis issue does not affect MX-SPC3 or SRX Series devices.","status":"published","published":"2025-07-11T15:08:53.931Z","modified":"2025-07-15T19:55:34.678Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","level":"high","assessor":"cna"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:32:31.309974Z"}],"euvd":[{"id":"EUVD-2025-21148","description":"An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen an MX Series device with an MS-MPC is configured with two or more service sets which are both processing SIP calls, a specific sequence of call events will lead to a crash and restart of the MS-MPC.\nThis issue affects Junos OS:\n\n\n\n  *  all versions before 21.2R3-S9,\n  *  21.4 versions from 21.4R1,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6.\n\n\n\n\nAs the MS-MPC is EoL after Junos OS 22.4, later versions are not affected.\n\nThis issue does not affect MX-SPC3 or SRX Series devices.","status":"published","published":"2025-07-11T15:08:53Z","modified":"2025-07-15T19:55:34Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/RE:M","level":"high"}],"updated_at":"2026-11-02T20:32:07.830372Z"}],"ghsa":[{"id":"GHSA-9x9c-4rh9-688v","title":"An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos...","description":"An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen an MX Series device with an MS-MPC is configured with two or more service sets which are both processing SIP calls, a specific sequence of call events will lead to a crash and restart of the MS-MPC.\nThis issue affects Junos OS:\n\n\n\n  *  all versions before 21.2R3-S9,\n  *  21.4 versions from 21.4R1,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6.\n\n\n\n\nAs the MS-MPC is EoL after Junos OS 22.4, later versions are not affected.\n\nThis issue does not affect MX-SPC3 or SRX Series devices.","status":"published","published":"2025-07-11T18:30:33Z","modified":"2025-07-11T18:30:40Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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:Y/R:A/V:X/RE:M/U:X","level":"high"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T15:02:59.952815Z"}],"nvd":[{"id":"CVE-2025-52982","description":"An Improper Resource Shutdown or Release vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series with MS-MPC allows an unauthenticated, network-based attacker to cause a Denial-of-Service (DoS).\n\nWhen an MX Series device with an MS-MPC is configured with two or more service sets which are both processing SIP calls, a specific sequence of call events will lead to a crash and restart of the MS-MPC.\nThis issue affects Junos OS:\n\n\n\n  *  all versions before 21.2R3-S9,\n  *  21.4 versions from 21.4R1,\n  *  22.2 versions before 22.2R3-S6,\n  *  22.4 versions before 22.4R3-S6.\n\n\n\n\nAs the MS-MPC is EoL after Junos OS 22.4, later versions are not affected.\n\nThis issue does not affect MX-SPC3 or SRX Series devices.","status":"published","published":"2025-07-11T16:15:25.367Z","modified":"2026-06-17T09:37:21.997Z","cvss":[{"version":"4.0","score":8.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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:Y/R:A/V:X/RE:M/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:11:18.285862Z"}]}}