{"api_version":"1","generated_at":"2026-07-23T10:33:08+00:00","cve":"CVE-2020-5846","urls":{"html":"https://cve.report/CVE-2020-5846","api":"https://cve.report/api/cve/CVE-2020-5846.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-5846","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-5846"},"summary":{"title":"CVE-2020-5846","description":"An insecure file upload and code execution issue was discovered in Ahsay Cloud Backup Suite 8.3.0.30 via a \"PUT /obs/obm7/file/upload\" request with the base64-encoded pathname in the X-RSW-custom-encode-path HTTP header, and the content in the HTTP request body. It is possible to upload a file into any directory of the server. One can insert a JSP shell into the web server's directory and execute it. This leads to full system access as the configured user (e.g., Administrator) when starting from any authenticated session (e.g., a trial account). 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It is possible to upload a file into any directory of the server. One can insert a JSP shell into the web server's directory and execute it. This leads to full system access as the configured user (e.g., Administrator) when starting from any authenticated session (e.g., a trial account). This is fixed in the 83/830122/cbs-*-hotfix-task26000 builds."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"url":"https://www.wbsec.nl/ahsay-2/","refsource":"MISC","name":"https://www.wbsec.nl/ahsay-2/"}]}},"nvd":{"publishedDate":"2020-01-06 21:15:00","lastModifiedDate":"2020-01-17 15:04:00","problem_types":["CWE-434"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4},"severity":"MEDIUM","exploitabilityScore":8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:ahsay:cloud_backup_suite:8.3.0.30:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"5846","Ordinal":"166094","Title":"CVE-2020-5846","CVE":"CVE-2020-5846","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"5846","Ordinal":"1","NoteData":"An insecure file upload and code execution issue was discovered in Ahsay Cloud Backup Suite 8.3.0.30 via a \"PUT /obs/obm7/file/upload\" request with the base64-encoded pathname in the X-RSW-custom-encode-path HTTP header, and the content in the HTTP request body. 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