{"containers":{"cna":{"affected":[{"platforms":["EX Series"],"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"12.3R12-S19","status":"affected","version":"12.3","versionType":"custom"}]},{"product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"15.1R7-S10","status":"affected","version":"15.1","versionType":"custom"},{"lessThan":"18.3R3-S5","status":"affected","version":"18.3","versionType":"custom"},{"lessThan":"18.4R3-S9","status":"affected","version":"18.4","versionType":"custom"},{"lessThan":"19.1R3-S6","status":"affected","version":"19.1","versionType":"custom"},{"lessThan":"19.2R1-S7, 19.2R3-S3","status":"affected","version":"19.2","versionType":"custom"},{"lessThan":"19.3R3-S3","status":"affected","version":"19.3","versionType":"custom"},{"lessThan":"19.4R3-S5","status":"affected","version":"19.4","versionType":"custom"},{"lessThan":"20.1R2-S2, 20.1R3-S1","status":"affected","version":"20.1","versionType":"custom"},{"lessThan":"20.2R3-S2","status":"affected","version":"20.2","versionType":"custom"},{"lessThan":"20.3R3","status":"affected","version":"20.3","versionType":"custom"},{"lessThan":"20.4R2-S1, 20.4R3","status":"affected","version":"20.4","versionType":"custom"},{"lessThan":"21.1R1-S1, 21.1R2","status":"affected","version":"21.1","versionType":"custom"}]}],"configurations":[{"lang":"en","value":"The following minimal configuration is necessary: \n\n  [system services web-management http]\nor\n  [system services web-management https]"}],"credits":[{"lang":"en","value":"Andy Coles of Microsoft MSRC Vulnerabilities and Mitigations Team"}],"datePublic":"2021-10-13T00:00:00.000Z","descriptions":[{"lang":"en","value":"An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in J-Web of Juniper Networks Junos OS allows any low-privileged authenticated attacker to elevate their privileges to root. This issue affects: Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S19; 15.1 versions prior to 15.1R7-S10; 18.3 versions prior to 18.3R3-S5; 18.4 versions prior to 18.4R3-S9; 19.1 versions prior to 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R3-S3; 19.4 versions prior to 19.4R3-S5; 20.1 versions prior to 20.1R2-S2, 20.1R3-S1; 20.2 versions prior to 20.2R3-S2; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2."}],"exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-10-19T18:17:30.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://kb.juniper.net/JSA11253"}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 12.3R12-S19, 15.1R7-S10, 18.3R3-S5, 18.4R3-S9, 19.1R3-S6, 19.2R1-S7, 19.2R3-S3, 19.3R3-S3, 19.4R3-S5, 20.1R2-S2, 20.1R3-S1, 20.2R3-S2, 20.3R3, 20.4R2-S1, 20.4R3, 21.1R1-S1, 21.1R2, 21.2R1, and all subsequent releases."}],"source":{"advisory":"JSA11253","defect":["1591145"],"discovery":"EXTERNAL"},"title":"Junos OS: J-Web: A path traversal vulnerability allows an authenticated attacker to elevate their privileges to root","workarounds":[{"lang":"en","value":"There are no viable workarounds for these issues other than disabling J-Web.\n\nTo reduce the risk of exploitation of these issues, use access lists or firewall filters to limit access to only trusted administrative networks, hosts and users."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2021-10-13T16:00:00.000Z","ID":"CVE-2021-31385","STATE":"PUBLIC","TITLE":"Junos OS: J-Web: A path traversal vulnerability allows an authenticated attacker to elevate their privileges to root"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"platform":"EX Series","version_affected":"<","version_name":"12.3","version_value":"12.3R12-S19"},{"version_affected":"<","version_name":"15.1","version_value":"15.1R7-S10"},{"version_affected":"<","version_name":"18.3","version_value":"18.3R3-S5"},{"version_affected":"<","version_name":"18.4","version_value":"18.4R3-S9"},{"version_affected":"<","version_name":"19.1","version_value":"19.1R3-S6"},{"version_affected":"<","version_name":"19.2","version_value":"19.2R1-S7, 19.2R3-S3"},{"version_affected":"<","version_name":"19.3","version_value":"19.3R3-S3"},{"version_affected":"<","version_name":"19.4","version_value":"19.4R3-S5"},{"version_affected":"<","version_name":"20.1","version_value":"20.1R2-S2, 20.1R3-S1"},{"version_affected":"<","version_name":"20.2","version_value":"20.2R3-S2"},{"version_affected":"<","version_name":"20.3","version_value":"20.3R3"},{"version_affected":"<","version_name":"20.4","version_value":"20.4R2-S1, 20.4R3"},{"version_affected":"<","version_name":"21.1","version_value":"21.1R1-S1, 21.1R2"}]}}]},"vendor_name":"Juniper Networks"}]}},"configuration":[{"lang":"en","value":"The following minimal configuration is necessary: \n\n  [system services web-management http]\nor\n  [system services web-management https]"}],"credit":[{"lang":"eng","value":"Andy Coles of Microsoft MSRC Vulnerabilities and Mitigations Team"}],"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in J-Web of Juniper Networks Junos OS allows any low-privileged authenticated attacker to elevate their privileges to root. 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