{"id":"CVE-2020-1669","state":"PUBLISHED","title":"Junos OS: NFX350: Password hashes stored in world-readable format","description":"The Juniper Device Manager (JDM) container, used by the disaggregated Junos OS architecture on Juniper Networks NFX350 Series devices, stores password hashes in the world-readable file /etc/passwd. This is not a security best current practice as it can allow an attacker with access to the local filesystem the ability to brute-force decrypt password hashes stored on the system. This issue affects Juniper Networks Junos OS on NFX350: 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2.","publishedAt":"2020-10-16T20:31:29.541Z","updatedAt":"2024-09-17T01:41:49.079Z","severity":{"score":6.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"19.4","status":"affected","lessThan":"19.4R3","versionType":"custom"},{"version":"20.1","status":"affected","lessThan":"20.1R1-S4, 20.1R2","versionType":"custom"}],"platforms":["NFX350"]}],"references":["https://kb.juniper.net/JSA11066"],"weaknesses":["CWE-256"],"ingestedAt":"2026-10-29T19:46:49.649Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/1xxx/CVE-2020-1669.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-1669","state":"PUBLISHED","datePublished":"2020-10-16T20:31:29.541Z","dateUpdated":"2024-09-17T01:41:49.079Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2019-11-04T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: NFX350: Password hashes stored in world-readable format","descriptions":[{"lang":"en","value":"The Juniper Device Manager (JDM) container, used by the disaggregated Junos OS architecture on Juniper Networks NFX350 Series devices, stores password hashes in the world-readable file /etc/passwd. This is not a security best current practice as it can allow an attacker with access to the local filesystem the ability to brute-force decrypt password hashes stored on the system. This issue affects Juniper Networks Junos OS on NFX350: 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2."}],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"19.4","status":"affected","lessThan":"19.4R3","versionType":"custom"},{"version":"20.1","status":"affected","lessThan":"20.1R1-S4, 20.1R2","versionType":"custom"}],"platforms":["NFX350"]}],"references":[{"url":"https://kb.juniper.net/JSA11066","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-256","description":"CWE-256 Unprotected Storage of Credentials","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"juniper","dateUpdated":"2020-10-16T20:31:29.000Z","orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968"},"datePublic":"2020-10-14T00:00:00.000Z","exploits":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","value":"Junos OS now stores local password hashes in the protected /etc/shadow file.\n\nThe following software releases have been updated to resolve this specific issue: Junos OS 19.4R3, 20.1R1-S4, 20.1R2, 20.2R1, and all subsequent releases."}],"source":{"advisory":"JSA11066","defect":["1462556"],"discovery":"INTERNAL"},"workarounds":[{"lang":"en","value":"Use access lists or firewall filters to limit access to the device only from trusted hosts.\nLimit shell access to only trusted system administrators."}],"x_generator":{"engine":"Vulnogram 0.0.9"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"sirt@juniper.net","DATE_PUBLIC":"2020-10-14T16:00:00.000Z","ID":"CVE-2020-1669","STATE":"PUBLIC","TITLE":"Junos OS: NFX350: Password hashes stored in world-readable format"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Junos OS","version":{"version_data":[{"platform":"NFX350","version_affected":"<","version_name":"19.4","version_value":"19.4R3"},{"platform":"NFX350","version_affected":"<","version_name":"20.1","version_value":"20.1R1-S4, 20.1R2"}]}}]},"vendor_name":"Juniper Networks"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"The Juniper Device Manager (JDM) container, used by the disaggregated Junos OS architecture on Juniper Networks NFX350 Series devices, stores password hashes in the world-readable file /etc/passwd. This is not a security best current practice as it can allow an attacker with access to the local filesystem the ability to brute-force decrypt password hashes stored on the system. This issue affects Juniper Networks Junos OS on NFX350: 19.4 versions prior to 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2."}]},"exploit":[{"lang":"en","value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability."}],"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-256 Unprotected Storage of Credentials"}]}]},"references":{"reference_data":[{"name":"https://kb.juniper.net/JSA11066","refsource":"CONFIRM","url":"https://kb.juniper.net/JSA11066"}]},"solution":[{"lang":"en","value":"Junos OS now stores local password hashes in the protected /etc/shadow file.\n\nThe following software releases have been updated to resolve this specific issue: Junos OS 19.4R3, 20.1R1-S4, 20.1R2, 20.2R1, and all subsequent releases."}],"source":{"advisory":"JSA11066","defect":["1462556"],"discovery":"INTERNAL"},"work_around":[{"lang":"en","value":"Use access lists or firewall filters to limit access to the device only from trusted hosts.\nLimit shell access to only trusted system administrators."}]}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://kb.juniper.net/JSA11066","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T06:46:29.646Z"}}]}}}