{"cve":"CVE-2025-52982","nvd":{"published":"2025-07-11T16:15:25.367","modified":"2026-06-17T09:37:21.997","status":"Analyzed","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.","cvss_v4":{"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","score":8.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9},"cwes":["CWE-404"],"references":["https://supportportal.juniper.net/JSA100088"],"products":["juniper:junos"],"source":"nvd","synced_at":"2026-10-19T22:04:28.436527499+00:00"},"epss":{"cve":"CVE-2025-52982","score":0.00443,"percentile":0.38575,"date":"2026-10-31"},"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."]}