{"id":"CVE-2018-0026","state":"PUBLISHED","title":"Junos OS: Stateless IP firewall filter rules stop working as expected after reboot or upgrade","description":"After Junos OS device reboot or upgrade, the stateless firewall filter configuration may not take effect. This issue can be verified by running the command: user@re0> show interfaces <interface_name> extensive | match filters\" CAM destination filters: 0, CAM source filters: 0 Note: when the issue occurs, it does not show the applied firewall filter. The correct output should show the applied firewall filter, for example: user@re0> show interfaces <interface_name> extensive | match filters\" CAM destination filters: 0, CAM source filters: 0 Input Filters: FIREWAL_FILTER_NAME-<interface_name> This issue affects firewall filters for every address family. Affected releases are Juniper Networks Junos OS: 15.1R4, 15.1R5, 15.1R6 and SRs based on these MRs. 15.1X8 versions prior to 15.1X8.3.","publishedAt":"2018-07-11T18:00:00.000Z","updatedAt":"2024-09-16T19:10:58.575Z","severity":{"score":4.7,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"15.1R4, 15.1R5, 15.1R6","status":"affected"},{"version":"15.1X8","status":"affected","lessThan":"15.1X8.3","versionType":"custom"}]}],"references":["http://www.securityfocus.com/bid/104720","https://kb.juniper.net/JSA10859","http://www.securitytracker.com/id/1041315"],"weaknesses":[],"ingestedAt":"2026-10-29T19:44:03.729Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2018/0xxx/CVE-2018-0026.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2018-0026","state":"PUBLISHED","datePublished":"2018-07-11T18:00:00.000Z","dateUpdated":"2024-09-16T19:10:58.575Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2017-11-16T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: Stateless IP firewall filter rules stop working as expected after reboot or upgrade","descriptions":[{"lang":"en","value":"After Junos OS device reboot or upgrade, the stateless firewall filter configuration may not take effect. This issue can be verified by running the command: user@re0> show interfaces <interface_name> extensive | match filters\" CAM destination filters: 0, CAM source filters: 0 Note: when the issue occurs, it does not show the applied firewall filter. The correct output should show the applied firewall filter, for example: user@re0> show interfaces <interface_name> extensive | match filters\" CAM destination filters: 0, CAM source filters: 0 Input Filters: FIREWAL_FILTER_NAME-<interface_name> This issue affects firewall filters for every address family. Affected releases are Juniper Networks Junos OS: 15.1R4, 15.1R5, 15.1R6 and SRs based on these MRs. 15.1X8 versions prior to 15.1X8.3."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"15.1R4, 15.1R5, 15.1R6","status":"affected"},{"version":"15.1X8","status":"affected","lessThan":"15.1X8.3","versionType":"custom"}]}],"references":[{"url":"http://www.securityfocus.com/bid/104720","name":"104720","tags":["vdb-entry","x_refsource_BID"]},{"url":"https://kb.juniper.net/JSA10859","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securitytracker.com/id/1041315","name":"1041315","tags":["vdb-entry","x_refsource_SECTRACK"]}],"metrics":[{"cvssV3_0":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","version":"3.0"}}],"problemTypes":[{"descriptions":[{"description":"Firewall Bypass","lang":"en","type":"text"}]},{"descriptions":[{"description":"Denial of Service","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"juniper","dateUpdated":"2018-07-27T09:57:01.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968"},"datePublic":"2018-07-11T00:00:00.000Z","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, 15.1X8.3 and all subsequent releases."}],"source":{"advisory":"JSA10859","defect":["1161832"],"discovery":"USER"},"workarounds":[{"lang":"en","value":"There are no known workarounds for this issue.\nHowever, once the issue has occurred, it can be restored by performing \"commit full\" (note: \"commit full\" is a potentially disruptive command)."}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2018-07-11T16:00:00.000Z","ID":"CVE-2018-0026","STATE":"PUBLIC","TITLE":"Junos OS: Stateless IP firewall filter rules stop working as expected after reboot or upgrade"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"affected":"=","version_affected":"=","version_name":"15.1","version_value":"15.1R4, 15.1R5, 15.1R6"},{"affected":"<","version_affected":"<","version_name":"15.1X8","version_value":"15.1X8.3"}]}}]},"vendor_name":"Juniper Networks"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"After Junos OS device reboot or upgrade, the stateless firewall filter configuration may not take effect. This issue can be verified by running the command: user@re0> show interfaces <interface_name> extensive | match filters\" CAM destination filters: 0, CAM source filters: 0 Note: when the issue occurs, it does not show the applied firewall filter. The correct output should show the applied firewall filter, for example: user@re0> show interfaces <interface_name> extensive | match filters\" CAM destination filters: 0, CAM source filters: 0 Input Filters: FIREWAL_FILTER_NAME-<interface_name> This issue affects firewall filters for every address family. Affected releases are Juniper Networks Junos OS: 15.1R4, 15.1R5, 15.1R6 and SRs based on these MRs. 15.1X8 versions prior to 15.1X8.3."}]},"exploit":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N","version":"3.0"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"Firewall Bypass"}]},{"description":[{"lang":"eng","value":"Denial of Service"}]}]},"references":{"reference_data":[{"name":"104720","refsource":"BID","url":"http://www.securityfocus.com/bid/104720"},{"name":"https://kb.juniper.net/JSA10859","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA10859"},{"name":"1041315","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1041315"}]},"solution":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 15.1R7, 15.1X8.3 and all subsequent releases."}],"source":{"advisory":"JSA10859","defect":["1161832"],"discovery":"USER"},"work_around":[{"lang":"en","value":"There are no known workarounds for this issue.\nHowever, once the issue has occurred, it can be restored by performing \"commit full\" (note: \"commit full\" is a potentially disruptive command)."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.securityfocus.com/bid/104720","name":"104720","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://kb.juniper.net/JSA10859","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.securitytracker.com/id/1041315","name":"1041315","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T03:14:16.276Z"}}]}}}