{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-14T08:45:12.892","vulnerabilities":[{"cve":{"id":"CVE-2020-21526","sourceIdentifier":"cve@mitre.org","published":"2020-09-30T18:15:24.163","lastModified":"2024-11-21T05:12:39.297","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An Arbitrary file writing vulnerability in halo v1.1.3. In an interface to write files in the background, a directory traversal check is performed on the input path parameter, but the startsWith function can be used to bypass it."},{"lang":"es","value":"Una vulnerabilidad de escritura de archivos Arbitraria en halo versión v1.1.3. En una interfaz para escribir archivos en segundo plano, una comprobación de salto de directorio es llevada a cabo en el parámetro input path, pero la función startsWith puede ser usada para omitirlo"}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-22"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:halo:halo:1.1.3:*:*:*:*:*:*:*","matchCriteriaId":"6AAE0537-C39F-4121-AA74-28235A4DC07A"}]}]}],"references":[{"url":"https://github.com/halo-dev/halo/issues/421","source":"cve@mitre.org","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/halo-dev/halo/issues/421","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Third Party Advisory"]}]}}]}