{"containers":{"cna":{"affected":[{"platforms":["QFX5000 Series, MX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"20.3R3-S3","status":"affected","version":"20.3","versionType":"custom"},{"lessThan":"20.4R3-S2","status":"affected","version":"20.4","versionType":"custom"},{"lessThan":"21.2R2-S1","status":"affected","version":"21.2","versionType":"custom"}]},{"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"20.3R1","status":"unaffected","version":"unspecified","versionType":"custom"},{"lessThan":"21.1*","status":"unaffected","version":"21.1R1","versionType":"custom"}]}],"configurations":[{"lang":"en","value":"For a device to be affected a VxLAN configuration like in the following examples will need to be present:\n\n  [ vlans vlan-name vxlan … ]\nor\n  [ bridge-domains bridge-domain-name vxlan… ]"}],"datePublic":"2022-07-13T00:00:00.000Z","descriptions":[{"lang":"en","value":"A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). On QFX5K Series and MX Series, when the PFE receives a specific VxLAN packet the Layer 2 Address Learning Manager (L2ALM) process will crash leading to an FPC reboot. Continued receipt of this specific packet will create a sustained Denial of Service (DoS) condition. This issue affects Juniper Networks Junos OS on QFX5000 Series, MX Series: 20.3 versions prior to 20.3R3-S3; 20.4 versions prior to 20.4R3-S2; 21.2 versions prior to 21.2R2-S1. This issue does not affect Juniper Networks Junos OS: All versions prior to 20.3R1; 21.1 version 21.1R1 and later versions."}],"exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"ADJACENT_NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476 NULL Pointer Dereference","lang":"en","type":"CWE"}]},{"descriptions":[{"description":"Denial of Service (DoS)","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2022-07-20T14:15:07.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://kb.juniper.net/JSA69714"}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 20.3R3-S3, 20.4R3-S2, 21.2R2-S1, and all subsequent releases."}],"source":{"advisory":"JSA69714","defect":["1636853"],"discovery":"USER"},"title":"Junos OS: QFX5000 Series and MX Series: An l2alm crash leading to an FPC crash can be observed in VxLAN scenario","workarounds":[{"lang":"en","value":"There are no viable workarounds for this issue."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2022-07-13T16:00:00.000Z","ID":"CVE-2022-22210","STATE":"PUBLIC","TITLE":"Junos OS: QFX5000 Series and MX Series: An l2alm crash leading to an FPC crash can be observed in VxLAN scenario"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"platform":"QFX5000 Series, MX Series","version_affected":"<","version_name":"20.3","version_value":"20.3R3-S3"},{"platform":"QFX5000 Series, MX Series","version_affected":"<","version_name":"20.4","version_value":"20.4R3-S2"},{"platform":"QFX5000 Series, MX Series","version_affected":"<","version_name":"21.2","version_value":"21.2R2-S1"},{"version_affected":"!<","version_value":"20.3R1"},{"version_affected":"!>=","version_name":"21.1","version_value":"21.1R1"}]}}]},"vendor_name":"Juniper Networks"}]}},"configuration":[{"lang":"en","value":"For a device to be affected a VxLAN configuration like in the following examples will need to be present:\n\n  [ vlans vlan-name vxlan … ]\nor\n  [ bridge-domains bridge-domain-name vxlan… ]"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A NULL Pointer Dereference vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX5000 Series and MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). 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