{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"state":"PUBLISHED","cveId":"CVE-2022-22249","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","assignerShortName":"juniper","datePublished":"2022-10-18T02:46:52.062Z","dateUpdated":"2025-05-09T15:13:33.869Z","dateReserved":"2021-12-21T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: MX Series: An FPC crash might be seen due to mac-moves within the same bridge domain","datePublic":"2022-10-12T00:00:00.000Z","providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2022-10-18T00:00:00.000Z"},"descriptions":[{"lang":"en","value":"An Improper Control of a Resource Through its Lifetime vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on MX Series allows an unauthenticated adjacent attacker to cause a Denial of Service (DoS). When there is a continuous mac move a memory corruption causes one or more FPCs to crash and reboot. These MAC moves can be between two local interfaces or between core/EVPN and local interface. The below error logs can be seen in PFE syslog when this issue happens: xss_event_handler(1071): EA[0:0]_PPE 46.xss[0] ADDR Error. ppe_error_interrupt(4298): EA[0:0]_PPE 46 Errors sync xtxn error xss_event_handler(1071): EA[0:0]_PPE 1.xss[0] ADDR Error. ppe_error_interrupt(4298): EA[0:0]_PPE 1 Errors sync xtxn error xss_event_handler(1071): EA[0:0]_PPE 2.xss[0] ADDR Error. This issue affects Juniper Networks Junos OS on MX Series: All versions prior to 15.1R7-S13; 19.1 versions prior to 19.1R3-S9; 19.2 versions prior to 19.2R3-S6; 19.3 versions prior to 19.3R3-S6; 19.4 versions prior to 19.4R2-S7, 19.4R3-S8; 20.1 version 20.1R1 and later versions; 20.2 versions prior to 20.2R3-S5; 20.3 versions prior to 20.3R3-S5; 20.4 versions prior to 20.4R3-S2; 21.1 versions prior to 21.1R3; 21.2 versions prior to 21.2R3; 21.3 versions prior to 21.3R2."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"unspecified","lessThan":"15.1R7-S13","status":"affected","versionType":"custom"},{"version":"19.1","status":"affected","lessThan":"19.1R3-S9","versionType":"custom"},{"version":"19.2","status":"affected","lessThan":"19.2R3-S6","versionType":"custom"},{"version":"19.3","status":"affected","lessThan":"19.3R3-S6","versionType":"custom"},{"version":"19.4","status":"affected","lessThan":"19.4R2-S7, 19.4R3-S8","versionType":"custom"},{"version":"20.1R1","status":"affected","lessThan":"20.1*","versionType":"custom"},{"version":"20.2","status":"affected","lessThan":"20.2R3-S5","versionType":"custom"},{"version":"20.3","status":"affected","lessThan":"20.3R3-S5","versionType":"custom"},{"version":"20.4","status":"affected","lessThan":"20.4R3-S2","versionType":"custom"},{"version":"21.1","status":"affected","lessThan":"21.1R3","versionType":"custom"},{"version":"21.2","status":"affected","lessThan":"21.2R3","versionType":"custom"},{"version":"21.3","status":"affected","lessThan":"21.3R2","versionType":"custom"}],"platforms":["MX Series"]}],"references":[{"url":"https://kb.juniper.net/JSA69906"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"Denial of Service (DoS)"}]},{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-664 Improper Control of a Resource Through its Lifetime","cweId":"CWE-664"}]}],"x_generator":{"engine":"Vulnogram 0.0.9"},"source":{"advisory":"JSA69906","defect":["1607767"],"discovery":"USER"},"configurations":[{"lang":"en","value":"To be exposed to this vulnerability the device would need to have a minimal bridge domain configuration with two interfaces:\n\n  [ bridge-domains <bridge-name> interface <interface-1> ]\n  [ bridge-domains <bridge-name> interface <interface-2> ]\n\nor at least one local interface as above and EVPN MPLS as follows:\n\n  [protocols bgp group <group-name> family evpn]"}],"workarounds":[{"lang":"en","value":"There are no known workarounds for this issue."}],"exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 15.1R7-S13, 19.1R3-S9, 19.2R3-S6, 19.3R3-S6, 19.4R2-S7, 19.4R3-S8, 20.2R3-S5, 20.3R3-S5, 20.4R3-S2, 21.1R3, 21.2R3, 21.3R2, 21.4R1, and all subsequent releases."}]},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T03:07:50.095Z"},"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA69906","tags":["x_transferred"]}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-09T15:13:24.951565Z","id":"CVE-2022-22249","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-05-09T15:13:33.869Z"}}]}}