{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-19T10:27:57.012","vulnerabilities":[{"cve":{"id":"CVE-2022-22204","sourceIdentifier":"sirt@juniper.net","published":"2022-07-20T15:15:08.393","lastModified":"2024-11-21T06:46:23.170","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An Improper Release of Memory Before Removing Last Reference vulnerability in the Session Initiation Protocol (SIP) Application Layer Gateway (ALG) of Juniper Networks Junos OS allows unauthenticated network-based attacker to cause a partial Denial of Service (DoS). On all MX and SRX platforms, if the SIP ALG is enabled, receipt of a specific SIP packet will create a stale SIP entry. Sustained receipt of such packets will cause the SIP call table to eventually fill up and cause a DoS for all SIP traffic. The SIP call usage can be monitored by \"show security alg sip calls\". To be affected the SIP ALG needs to be enabled, either implicitly / by default or by way of configuration. Please verify on SRX with: user@host> show security alg status | match sip SIP : Enabled Please verify on MX whether the following is configured: [ services ... rule <rule-name> (term <term-name>) from/match application/application-set <name> ] where either a. name = junos-sip or an application or application-set refers to SIP: b. [ applications application <name> application-protocol sip ] or c. [ applications application-set <name> application junos-sip ] This issue affects Juniper Networks Junos OS on SRX Series and MX Series: 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3-S2; 21.2 versions prior to 21.2R2-S2; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2; 21.4 versions prior to 21.4R2. This issue does not affect Juniper Networks Junos OS versions prior to 20.4R1. Juniper SIRT is not aware of any malicious exploitation of this vulnerability."},{"lang":"es","value":"Una vulnerabilidad de liberación inapropiada de memoria antes de eliminar la última referencia en la puerta de enlace de la capa de aplicación (ALG) del protocolo de iniciación de sesiones (SIP) del Sistema Operativo Junos de Juniper Networks permite a un atacante no autenticado basado en la red causar una Denegación de Servicio (DoS) parcial. En todas las plataformas MX y SRX, si la ALG SIP está habilitada, la recepción de un paquete SIP específico creará una entrada SIP antigua. La recepción sostenida de tales paquetes causará que la tabla de llamadas SIP se llene eventualmente y cause un DoS para todo el tráfico SIP. El uso de llamadas SIP puede ser monitoreado por \"show security alg sip calls\". Para ser afectado el SIP ALG necesita ser habilitado, ya sea implícitamente / por defecto o por medio de la configuración. Por favor, verifique en el SRX con: user@host) show security alg status | match sip SIP : Enabled Por favor, verifique en MX si lo siguiente está configurado: [ services ... rule (rule-name) (term (term-name)) from/match application/application-set (name) ] donde a. name = junos-sip o una aplicación o application-set se refiere a SIP: b. [ applications application (name) application-protocol sip ] o c. [ applications application-set (name) application junos-sip ] Este problema afecta a Juniper Networks Junos OS en las series SRX y MX: versiones 20.4 anteriores a 20.4R3-S2; versiones 21.1 anteriores a 21.1R3-S2; versiones 21.2 anteriores a 21.2R2-S2; versiones 21.2 anteriores a 21.2R3; versiones 21.3 anteriores a 21.3R2; versiones 21.4 anteriores a 21.4R2. Este problema no afecta a versiones del Sistema Operativo Junos de Juniper Networks anteriores a 20.4R1. El SIRT de Juniper no presenta conocimiento de ninguna explotación maliciosa de esta vulnerabilidad"}],"metrics":{"cvssMetricV31":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:-:*:*:*:*:*:*","matchCriteriaId":"3D361B23-A3C2-444B-BEB8-E231DA950567"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r1:*:*:*:*:*:*","matchCriteriaId":"20DDC6B7-BFC4-4F0B-8E68-442C23765BF2"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"037BA01C-3F5C-4503-A633-71765E9EF774"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r2:*:*:*:*:*:*","matchCriteriaId":"C54B047C-4B38-40C0-9855-067DCF7E48BD"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"38984199-E332-4A9C-A4C0-78083D052E15"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r2-s2:*:*:*:*:*:*","matchCriteriaId":"AA6526FB-2941-4D18-9B2E-472AD5A62A53"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3:*:*:*:*:*:*","matchCriteriaId":"09876787-A40A-4340-9C12-8628C325353B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:20.4:r3-s1:*:*:*:*:*:*","matchCriteriaId":"41615104-C17E-44DA-AB0D-6E2053BD4EF4"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:-:*:*:*:*:*:*","matchCriteriaId":"6FDB5B7D-FB37-47E3-8678-B9ED578CCA5F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r1:*:*:*:*:*:*","matchCriteriaId":"625BA7E6-D2AD-4A48-9B94-24328BE5B06A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r1-s1:*:*:*:*:*:*","matchCriteriaId":"F462F4E3-762C-429F-8D25-5521100DD37C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r2:*:*:*:*:*:*","matchCriteriaId":"C0BC9DAC-D6B5-4C5E-8C73-6E550D9A30F5"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r2-s1:*:*:*:*:*:*","matchCriteriaId":"689FE1AE-7A85-4FB6-AB02-E732F23581B6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r2-s2:*:*:*:*:*:*","matchCriteriaId":"79E56DAC-75AD-4C81-9835-634B40C15DA6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r3:*:*:*:*:*:*","matchCriteriaId":"A0040FE2-7ECD-4755-96CE-E899BA298E0C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.1:r3-s1:*:*:*:*:*:*","matchCriteriaId":"076AB086-BB79-4583-AAF7-A5233DFB2F95"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:-:*:*:*:*:*:*","matchCriteriaId":"216E7DDE-453D-481F-92E2-9F8466CDDA3F"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r1:*:*:*:*:*:*","matchCriteriaId":"A52AF794-B36B-43A6-82E9-628658624B0A"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r1-s1:*:*:*:*:*:*","matchCriteriaId":"3998DC76-F72F-4452-9150-652140B113EB"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r1-s2:*:*:*:*:*:*","matchCriteriaId":"36ED4552-2420-45F9-B6E4-6DA2B2B12870"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r2:*:*:*:*:*:*","matchCriteriaId":"C28A14E7-7EA0-4757-9764-E39A27CFDFA5"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.2:r2-s1:*:*:*:*:*:*","matchCriteriaId":"4A43752D-A4AF-4B4E-B95B-192E42883A5B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r1:*:*:*:*:*:*","matchCriteriaId":"CC78A4CB-D617-43FC-BB51-287D2D0C44ED"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r1-s1:*:*:*:*:*:*","matchCriteriaId":"30FF67F8-1E3C-47A8-8859-709B3614BA6E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.3:r1-s2:*:*:*:*:*:*","matchCriteriaId":"0C7C507E-C85E-4BC6-A3B0-549516BAB524"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r1:*:*:*:*:*:*","matchCriteriaId":"4310D2D9-A8A6-48F8-9384-0A0692A1E1C3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"9962B01C-C57C-4359-9532-676AB81CE8B0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:21.4:r1-s2:*:*:*:*:*:*","matchCriteriaId":"62178549-B679-4902-BFDB-2993803B7FCE"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:juniper:mx10:-: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