{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-09-21T04:31:02.734","vulnerabilities":[{"cve":{"id":"CVE-2021-35211","sourceIdentifier":"psirt@solarwinds.com","published":"2021-07-14T21:15:08.090","lastModified":"2026-06-17T03:57:18.450","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability."},{"lang":"es","value":"Microsoft descubrió una vulnerabilidad de ejecución de código remota (RCE) en el producto SolarWinds Serv-U usando una Vulnerabilidad de Escape de Memoria Remota. Si es explotado, un actor de la amenaza puede ser capaz de obtener acceso privilegiado a la máquina que aloja Serv-U solamente. SolarWinds Serv-U Managed File Transfer y Serv-U Secure FTP para Windows versiones anteriores a 15.2.3 HF2 están afectados por esta vulnerabilidad"}],"affected":[{"source":"psirt@solarwinds.com","affectedData":[{"vendor":"SolarWinds","product":"Serv-U Managed File Transfer Server and Serv-U Secured FTP","platforms":["Windows"],"versions":[{"version":"SolarWinds Serv-U","lessThan":"15.2.3 HF1","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"psirt@solarwinds.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","baseScore":9.0,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":6.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","baseScore":10.0,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":6.0}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C","baseScore":10.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","availabilityImpact":"COMPLETE"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":10.0,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2025-02-04T19:06:30.616456Z","id":"CVE-2021-35211","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"cisaExploitAdd":"2021-11-03","cisaActionDue":"2021-11-17","cisaRequiredAction":"Apply updates per vendor instructions.","cisaVulnerabilityName":"SolarWinds Serv-U Remote Code Execution Vulnerability","weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:solarwinds:serv-u:*:*:*:*:*:*:*:*","versionEndExcluding":"15.2.3","matchCriteriaId":"66A68531-7831-4875-B0AB-215C3E5A62B6"},{"vulnerable":true,"criteria":"cpe:2.3:a:solarwinds:serv-u:15.2.3:-:*:*:*:*:*:*","matchCriteriaId":"9E8B32A1-90C1-4901-9B66-FA72E5787450"},{"vulnerable":true,"criteria":"cpe:2.3:a:solarwinds:serv-u:15.2.3:hotfix1:*:*:*:*:*:*","matchCriteriaId":"92569E9A-911C-4704-A962-047FF5E0E2CF"}]}]}],"references":[{"url":"https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit","source":"psirt@solarwinds.com","tags":["Patch","Vendor Advisory"]},{"url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211","source":"psirt@solarwinds.com","tags":["Patch","Vendor Advisory"]},{"url":"https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]},{"url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-35211","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["US Government Resource"]}]}}]}