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).
When 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.
This issue affects Junos OS:
* all versions before 21.2R3-S9,
* 21.4 versions from 21.4R1,
* 22.2 versions before 22.2R3-S6,
* 22.4 versions before 22.4R3-S6.
As the MS-MPC is EoL after Junos OS 22.4, later versions are not affected.
This issue does not affect MX-SPC3 or SRX Series devices.
Metrics
Affected Vendors & Products
References
Link | Providers |
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https://supportportal.juniper.net/JSA100088 |
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History
Tue, 15 Jul 2025 20:15:00 +0000
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Sat, 12 Jul 2025 13:45:00 +0000
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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). When 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. This issue affects Junos OS: * all versions before 21.2R3-S9, * 21.4 versions from 21.4R1, * 22.2 versions before 22.2R3-S6, * 22.4 versions before 22.4R3-S6. As the MS-MPC is EoL after Junos OS 22.4, later versions are not affected. This issue does not affect MX-SPC3 or SRX Series devices. | |
Title | Junos OS: MX Series: When specific SIP packets are processed the MS-MPC will crash | |
Weaknesses | CWE-404 | |
References |
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Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: juniper
Published: 2025-07-11T15:08:53.931Z
Updated: 2025-07-15T19:55:34.678Z
Reserved: 2025-06-23T18:23:44.546Z
Link: CVE-2025-52982

Updated: 2025-07-11T16:05:05.193Z

Status : Awaiting Analysis
Published: 2025-07-11T16:15:25.367
Modified: 2025-07-15T13:14:49.980
Link: CVE-2025-52982

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