{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-04T08:38:26.914","vulnerabilities":[{"cve":{"id":"CVE-2021-0278","sourceIdentifier":"sirt@juniper.net","published":"2021-07-15T20:15:09.450","lastModified":"2026-06-17T03:29:41.450","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An Improper Input Validation vulnerability in J-Web of Juniper Networks Junos OS allows a locally authenticated attacker to escalate their privileges to root over the target device. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19.3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4 junos:20.1R2-S2 junos:20.1R3 junos:20.2R3-S1 junos:20.3X75-D20 junos:20.3X75-D30 junos:20.4R2-S1 junos:20.4R3 junos:21.1R1-S1 junos:21.1R2 junos:21.2R1 junos:21.3R1 This issue affects: Juniper Networks Junos OS 19.3 versions 19.3R1 and above prior to 19.3R2-S6, 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. This issue does not affect Juniper Networks Junos OS versions prior to 19.3R1."},{"lang":"es","value":"Una vulnerabilidad de Comprobación de Entrada Inapropiada en J-Web de Juniper Networks Junos OS permite a un atacante autenticado localmente escalar sus privilegios hasta convertirse en root en el dispositivo de destino. junos:18.3R3-S5 junos:18.4R3-S9 junos:19.1R3-S6 junos:19. 3R2-S6 junos:19.3R3-S3 junos:19.4R1-S4 junos:19.4R3-S4 junos:20.1R2-S2 junos:20.1R3 junos:20.2R3-S1 junos:20.3X75-D20 junos:20. 3X75-D30 junos:20.4R2-S1 junos:20.4R3 junos:21.1R1-S1 junos:21.1R2 junos:21.2R1 junos:21.3R1 Este problema afecta a versiones de: Juniper Networks Junos OS 19.3 versiones 19.3R1 y superiores anteriores a 19.3R2-S6, 19.3R3-S3; versiones 19.4 anteriores a 19.4R3-S5; versiones 20.1 anteriores a 20.1R2-S2, 20. 1R3-S1; versiones 20.2 anteriores a 20.2R3-S2; versiones 20.3 anteriores a 20.3R3; versiones 20.4 anteriores a 20.4R2-S1, 20.4R3; 21.1 versiones anteriores a 21.1R1-S1, 21.1R2. Este problema no afecta a Juniper Networks Junos OS versiones anteriores a 19.3R1"}],"affected":[{"source":"sirt@juniper.net","affectedData":[{"vendor":"Juniper Networks","product":"Junos OS","versions":[{"version":"unspecified","lessThan":"19.3R1","versionType":"custom","status":"unaffected"},{"version":"19.3R1","lessThan":"19.3*","versionType":"custom","status":"affected","changes":[{"at":"19.3R2-S6, 19.3R3-S3","status":"unaffected"}]},{"version":"19.4","lessThan":"19.4R3-S5","versionType":"custom","status":"affected"},{"version":"20.1","lessThan":"20.1R2-S2, 20.1R3-S1","versionType":"custom","status":"affected"},{"version":"20.2","lessThan":"20.2R3-S2","versionType":"custom","status":"affected"},{"version":"20.3","lessThan":"20.3R3","versionType":"custom","status":"affected"},{"version":"20.4","lessThan":"20.4R2-S1, 20.4R3","versionType":"custom","status":"affected"},{"version":"21.1","lessThan":"21.1R1-S1, 21.1R2","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"sirt@juniper.net","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:L/Au:N/C:C/I:C/A:C","baseScore":7.2,"accessVector":"LOCAL","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":3.9,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"sirt@juniper.net","type":"Secondary","description":[{"lang":"en","value":"CWE-20"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-20"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r1:*:*:*:*:*:*","matchCriteriaId":"B8110DA9-54B1-43CF-AACB-76EABE0C9EF6"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r1-s1:*:*:*:*:*:*","matchCriteriaId":"11B5CC5A-1959-4113-BFCF-E4BA63D918C1"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r2:*:*:*:*:*:*","matchCriteriaId":"33F08A33-EF80-4D86-9A9A-9DF147B9B6D3"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r2-s1:*:*:*:*:*:*","matchCriteriaId":"AF24ACBD-5F84-47B2-BFF3-E9A56666269C"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r2-s2:*:*:*:*:*:*","matchCriteriaId":"3935A586-41BD-4FA5-9596-DED6F0864777"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r2-s3:*:*:*:*:*:*","matchCriteriaId":"B83FB539-BD7C-4BEE-9022-098F73902F38"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r2-s4:*:*:*:*:*:*","matchCriteriaId":"7659AC36-A5EA-468A-9793-C1EC914D36F4"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r2-s5:*:*:*:*:*:*","matchCriteriaId":"E0E018E1-568E-40F2-ADA5-F71509811879"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r3:*:*:*:*:*:*","matchCriteriaId":"B9295AF3-A883-47C3-BAF8-3D82F719733E"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r3-s1:*:*:*:*:*:*","matchCriteriaId":"F09D3262-394A-43D1-A4ED-8887FCB20F87"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.3:r3-s2:*:*:*:*:*:*","matchCriteriaId":"D3FEA876-302D-4F07-94E6-237C669538F2"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r1:*:*:*:*:*:*","matchCriteriaId":"DC743EE4-8833-452A-94DB-655BF139F883"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r1-s1:*:*:*:*:*:*","matchCriteriaId":"FE96A8EA-FFE3-4D8F-9266-21899149D634"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r1-s2:*:*:*:*:*:*","matchCriteriaId":"C12A75C6-2D00-4202-B861-00FF71585FA0"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r1-s3:*:*:*:*:*:*","matchCriteriaId":"70FF3DD4-14CB-435D-8529-0480EB853F60"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r2:*:*:*:*:*:*","matchCriteriaId":"4DCFA774-96EF-4018-82CF-95C807025C24"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r2-s1:*:*:*:*:*:*","matchCriteriaId":"76022948-4B07-43CB-824C-44E1AB3537CB"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r2-s2:*:*:*:*:*:*","matchCriteriaId":"25446F60-5CB9-4923-BCE8-609AE3CFDFBC"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r2-s3:*:*:*:*:*:*","matchCriteriaId":"A23E5CEA-EFF5-4641-BC47-BA2D0859F0EE"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r3:*:*:*:*:*:*","matchCriteriaId":"758275F3-9457-45A2-8F57-65DCD659FC1B"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r3-s1:*:*:*:*:*:*","matchCriteriaId":"B46CB928-78B5-4D60-B747-9A0988C7060D"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r3-s2:*:*:*:*:*:*","matchCriteriaId":"ED73BF1A-96E4-49F1-A6AA-7B29DAA6C112"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r3-s3:*:*:*:*:*:*","matchCriteriaId":"0886EFA6-47E3-4C1D-A278-D3891A487FED"},{"vulnerable":true,"criteria":"cpe:2.3:o:juniper:junos:19.4:r3-s4:*:*:*:*:*:*","matchCriteriaId":"A209EE6F-E676-4172-8FF3-4E03748DEB13"},{"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