{"id":"CVE-2020-1630","state":"PUBLISHED","title":"Junos OS: Privilege escalation vulnerability in dual REs, VC or HA cluster may allow unauthorized configuration change.","description":"A privilege escalation vulnerability in Juniper Networks Junos OS devices configured with dual Routing Engines (RE), Virtual Chassis (VC) or high-availability cluster may allow a local authenticated low-privileged user with access to the shell to perform unauthorized configuration modification. This issue does not affect Junos OS device with single RE or stand-alone configuration. This issue affects Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S14; 12.3X48 versions prior to 12.3X48-D86, 12.3X48-D90; 14.1X53 versions prior to 14.1X53-D51; 15.1 versions prior to 15.1R7-S6; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190; 15.1X53 versions prior to 15.1X53-D592; 16.1 versions prior to 16.1R4-S13, 16.1R7-S6; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R1-S9, 17.2R3-S3; 17.3 versions prior to 17.3R3-S6; 17.4 versions prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S5, 18.2R3-S1; 18.2 versions prior to 18.2X75-D12, 18.2X75-D33, 18.2X75-D420, 18.2X75-D60, 18.2X75-D411; 18.3 versions prior to 18.3R1-S5, 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R1-S4, 18.4R2-S1, 18.4R3; 19.1 versions prior to 19.1R1-S2, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2.","publishedAt":"2020-04-08T19:26:00.259Z","updatedAt":"2024-09-16T22:20:19.457Z","severity":{"score":5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N","source":"juniper"},"assigner":"juniper","products":["Juniper Networks Junos OS"],"affected":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"12.3","status":"affected","lessThan":"12.3R12-S14","versionType":"custom"},{"version":"12.3X48","status":"affected","lessThan":"12.3X48-D86, 12.3X48-D90","versionType":"custom"},{"version":"14.1X53","status":"affected","lessThan":"14.1X53-D51","versionType":"custom"},{"version":"15.1","status":"affected","lessThan":"15.1R7-S6","versionType":"custom"},{"version":"15.1X49","status":"affected","lessThan":"15.1X49-D181, 15.1X49-D190","versionType":"custom"},{"version":"15.1X53","status":"affected","lessThan":"15.1X53-D592","versionType":"custom"},{"version":"16.1","status":"affected","lessThan":"16.1R4-S13, 16.1R7-S6","versionType":"custom"},{"version":"16.2","status":"affected","lessThan":"16.2R2-S10","versionType":"custom"},{"version":"17.1","status":"affected","lessThan":"17.1R2-S11, 17.1R3-S1","versionType":"custom"},{"version":"17.2","status":"affected","lessThan":"17.2R1-S9, 17.2R3-S3","versionType":"custom"},{"version":"17.3","status":"affected","lessThan":"17.3R3-S6","versionType":"custom"},{"version":"17.4","status":"affected","lessThan":"17.4R2-S6, 17.4R3","versionType":"custom"},{"version":"18.1","status":"affected","lessThan":"18.1R3-S7","versionType":"custom"},{"version":"18.2","status":"affected","lessThan":"18.2R2-S5, 18.2R3-S1","changes":[{"at":"18.2X75-D12, 18.2X75-D33, 18.2X75-D420, 18.2X75-D60,18.2X75-D411","status":"unaffected"}],"versionType":"custom"},{"version":"18.3","status":"affected","lessThan":"18.3R1-S5, 18.3R2-S1, 18.3R3","versionType":"custom"},{"version":"18.4","status":"affected","lessThan":"18.4R1-S4, 18.4R2-S1, 18.4R3","versionType":"custom"},{"version":"19.1","status":"affected","lessThan":"19.1R1-S2, 19.1R2","versionType":"custom"},{"version":"19.2","status":"affected","lessThan":"19.2R1-S1, 19.2R2","versionType":"custom"}]}],"references":["https://kb.juniper.net/JSA11010"],"weaknesses":["CWE-264","CWE-367"],"ingestedAt":"2026-10-29T19:46:49.649Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/1xxx/CVE-2020-1630.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-1630","state":"PUBLISHED","datePublished":"2020-04-08T19:26:00.259Z","dateUpdated":"2024-09-16T22:20:19.457Z","assignerShortName":"juniper","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","dateReserved":"2019-11-04T00:00:00.000Z"},"containers":{"cna":{"title":"Junos OS: Privilege escalation vulnerability in dual REs, VC or HA cluster may allow unauthorized configuration change.","descriptions":[{"lang":"en","value":"A privilege escalation vulnerability in Juniper Networks Junos OS devices configured with dual Routing Engines (RE), Virtual Chassis (VC) or high-availability cluster may allow a local authenticated low-privileged user with access to the shell to perform unauthorized configuration modification. This issue does not affect Junos OS device with single RE or stand-alone configuration. This issue affects Juniper Networks Junos OS 12.3 versions prior to 12.3R12-S14; 12.3X48 versions prior to 12.3X48-D86, 12.3X48-D90; 14.1X53 versions prior to 14.1X53-D51; 15.1 versions prior to 15.1R7-S6; 15.1X49 versions prior to 15.1X49-D181, 15.1X49-D190; 15.1X53 versions prior to 15.1X53-D592; 16.1 versions prior to 16.1R4-S13, 16.1R7-S6; 16.2 versions prior to 16.2R2-S10; 17.1 versions prior to 17.1R2-S11, 17.1R3-S1; 17.2 versions prior to 17.2R1-S9, 17.2R3-S3; 17.3 versions prior to 17.3R3-S6; 17.4 versions prior to 17.4R2-S6, 17.4R3; 18.1 versions prior to 18.1R3-S7; 18.2 versions prior to 18.2R2-S5, 18.2R3-S1; 18.2 versions prior to 18.2X75-D12, 18.2X75-D33, 18.2X75-D420, 18.2X75-D60, 18.2X75-D411; 18.3 versions prior to 18.3R1-S5, 18.3R2-S1, 18.3R3; 18.4 versions prior to 18.4R1-S4, 18.4R2-S1, 18.4R3; 19.1 versions prior to 19.1R1-S2, 19.1R2; 19.2 versions prior to 19.2R1-S1, 19.2R2."}],"affected":[{"vendor":"Juniper Networks","product":"Junos 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malicious exploitation of this vulnerability."}],"solutions":[{"lang":"en","value":"The following software releases have been updated to resolve this specific issue: 12.3R12-S14, 12.3X48-D86, 12.3X48-D90, 14.1X53-D51, 15.1R7-S6, 15.1X49-D181, 15.1X49-D190, 15.1X53-D592, 16.1R4-S13, 16.1R7-S6, 16.2R2-S10, 17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R3-S3, 17.2X75-D110, 17.2X75-D44, 17.3R3-S6, 17.4R2-S6, 17.4R3, 18.1R3-S7, 18.2R2-S5, 18.2R3-S1, 18.2X75-D12, 18.2X75-D33, 18.2X75-D411, 18.2X75-D420, 18.2X75-D60, 18.3R1-S5, 18.3R1-S6, 18.3R2-S1, 18.3R2-S3, 18.3R3, 18.4R1-S4, 18.4R1-S5, 18.4R2-S1, 18.4R3, 19.1R1-S2, 19.1R2, 19.2R1-S1, 19.2R2, 19.3R1, and all subsequent releases."}],"source":{"advisory":"JSA11010","defect":["1441795"],"discovery":"INTERNAL"},"workarounds":[{"lang":"en","value":"Disallow unprivileged authenticated users access to Junos shell.\nLimit shell access to only trusted administrators."}],"x_generator":{"engine":"Vulnogram 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