{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-08T23:20:21.148","vulnerabilities":[{"cve":{"id":"CVE-2021-1436","sourceIdentifier":"psirt@cisco.com","published":"2021-03-24T20:15:14.820","lastModified":"2024-11-21T05:44:21.590","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"A vulnerability in the CLI of Cisco IOS XE SD-WAN Software could allow an authenticated, local attacker to conduct path traversal attacks and obtain read access to sensitive files on an affected system. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to view arbitrary files on the affected system."},{"lang":"es","value":"Una vulnerabilidad en la CLI del Software Cisco IOS XE SD-WAN, podría permitir a un atacante local autenticado llevar a cabo ataques de salto de ruta y obtener acceso de lectura a archivos confidenciales en un sistema afectado. Esta vulnerabilidad es debido a una comprobación insuficiente de la entrada suministrada por el usuario. Un atacante podría explotar esta vulnerabilidad mediante el envío de una petición diseñada a un sistema afectado. Una explotación con éxito podría permitir al atacante visualizar archivos arbitrarios en el sistema afectado"}],"metrics":{"cvssMetricV31":[{"source":"psirt@cisco.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N","baseScore":4.4,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":0.8,"impactScore":3.6},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","baseScore":4.4,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":0.8,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:L/AC:M/Au:N/C:C/I:N/A:N","baseScore":4.7,"accessVector":"LOCAL","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"NONE","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":3.4,"impactScore":6.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@cisco.com","type":"Secondary","description":[{"lang":"en","value":"CWE-22"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:3.15.1xbs:*:*:*:*:*:*:*","matchCriteriaId":"4BF22C29-84DF-44CA-B574-FE04AB39E344"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:3.15.2xbs:*:*:*:*:*:*:*","matchCriteriaId":"C2C7C0BA-D618-4B65-B42C-43393167EEE0"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.11.1:*:*:*:*:*:*:*","matchCriteriaId":"E91F8704-6DAD-474A-84EA-04E4AF7BB9B1"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.11.1a:*:*:*:*:*:*:*","matchCriteriaId":"314C7763-A64D-4023-9F3F-9A821AE4151F"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.11.1b:*:*:*:*:*:*:*","matchCriteriaId":"5820D71D-FC93-45AA-BC58-A26A1A39C936"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.11.1c:*:*:*:*:*:*:*","matchCriteriaId":"FC1C85DD-69CC-4AA8-B219-651D57FC3506"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.11.1s:*:*:*:*:*:*:*","matchCriteriaId":"DB26AE0F-85D8-4EAB-B9BD-457DD81FF0FE"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.11.2:*:*:*:*:*:*:*","matchCriteriaId":"B53E377A-0296-4D7A-B97C-576B0026543D"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1:*:*:*:*:*:*:*","matchCriteriaId":"C98DED36-D4B5-48D6-964E-EEEE97936700"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1a:*:*:*:*:*:*:*","matchCriteriaId":"CD98C9E8-3EA6-4160-970D-37C389576516"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1c:*:*:*:*:*:*:*","matchCriteriaId":"C8BEFEDA-B01A-480B-B03D-7ED5D08E4B67"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1s:*:*:*:*:*:*:*","matchCriteriaId":"9027A528-2588-4C06-810B-5BB313FE4323"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1t:*:*:*:*:*:*:*","matchCriteriaId":"7745ED34-D59D-49CC-B174-96BCA03B3374"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1w:*:*:*:*:*:*:*","matchCriteriaId":"19AF4CF3-6E79-4EA3-974D-CD451A192BA9"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1x:*:*:*:*:*:*:*","matchCriteriaId":"313BD54C-073C-4F27-82D5-C99EFC3A20F7"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1y:*:*:*:*:*:*:*","matchCriteriaId":"93B96E01-3777-4C33-9225-577B469A6CE5"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1z:*:*:*:*:*:*:*","matchCriteriaId":"65FC3CC1-CF4F-4A2D-A500-04395AFE8B47"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.1za:*:*:*:*:*:*:*","matchCriteriaId":"027200FC-8AD4-47E4-A404-490AE4F997EC"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.2:*:*:*:*:*:*:*","matchCriteriaId":"E5019B59-508E-40B0-9C92-2C26F58E2FBE"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.2a:*:*:*:*:*:*:*","matchCriteriaId":"443D78BA-A3DA-4D1F-A4DF-2F426DC6B841"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.2s:*:*:*:*:*:*:*","matchCriteriaId":"1986DB1F-AD0A-42FE-8EC8-F18BA1AD4F99"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.2t:*:*:*:*:*:*:*","matchCriteriaId":"3C6FB4DC-814D-49D2-BBE2-3861AE985A1C"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.3:*:*:*:*:*:*:*","matchCriteriaId":"D5750264-2990-4942-85F4-DB9746C5CA2B"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.3a:*:*:*:*:*:*:*","matchCriteriaId":"02352FD8-2A7B-41BD-9E4A-F312ABFDF3EF"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.3s:*:*:*:*:*:*:*","matchCriteriaId":"B9173AD6-6658-4267-AAA7-D50D0B657528"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.4:*:*:*:*:*:*:*","matchCriteriaId":"7F02EE9D-45B1-43D6-B05D-6FF19472216B"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:16.12.4a:*:*:*:*:*:*:*","matchCriteriaId":"1C1DBBCD-4C5A-43BB-8FB0-6F1AF99ED0D2"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.1.1:*:*:*:*:*:*:*","matchCriteriaId":"E306B09C-CB48-4067-B60C-5F738555EEAC"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.1.1a:*:*:*:*:*:*:*","matchCriteriaId":"CD446C51-E713-4E46-8328-0A0477D140D2"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.1.1s:*:*:*:*:*:*:*","matchCriteriaId":"4FF0DD16-D76A-45EA-B01A-20C71AEFA3B4"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.1.1t:*:*:*:*:*:*:*","matchCriteriaId":"4BDD0CEC-4A19-438D-B2A1-8664A1D8F3C4"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.1.2:*:*:*:*:*:*:*","matchCriteriaId":"89369318-2E83-489F-B872-5F2E247BBF8F"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.2.1:*:*:*:*:*:*:*","matchCriteriaId":"4B7EE7C7-D6C1-4C35-8C80-EAF3FC7E7EFA"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.2.1a:*:*:*:*:*:*:*","matchCriteriaId":"B51FA707-8DB1-4596-9122-D4BFEF17F400"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.2.1r:*:*:*:*:*:*:*","matchCriteriaId":"C04DF35A-1B6F-420A-8D84-74EB41BF3700"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.2.1v:*:*:*:*:*:*:*","matchCriteriaId":"211CC9B2-6108-4C50-AB31-DC527C43053E"},{"vulnerable":true,"criteria":"cpe:2.3:o:cisco:ios_xe:17.2.2:*:*:*:*:*:*:*","matchCriteriaId":"75CCB5F1-27F5-4FF9-8389-0A9ABCF7F070"}]}]}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2Mt","source":"psirt@cisco.com","tags":["Vendor Advisory"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxe-sdwpathtrav-nsrue2Mt","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"]}]}}]}