{"id":"CVE-2021-35217","published":"2021-09-08T13:15:03Z","modified":"2024-09-16T20:58:13Z","title":"Insecure Deserialization of untrusted data causing Remote code execution vulnerability.","vendor":"SolarWinds","product":"Orion Platform","tier":"core","eol":null,"affectedVersions":[{"vendor":"SolarWinds","product":"Orion Platform","versions":[">= 2020.2.5 and previous versions, < 2020.2.6"]}],"description":{"text":"Insecure Deseralization of untrusted data remote code execution vulnerability was discovered in Patch Manager Orion Platform Integration module and reported to us by ZDI. An Authenticated Attacker could exploit it by executing WSAsyncExecuteTasks deserialization of untrusted data.","provenance":"source","from":"CVE.org"},"summary":{"text":"The Patch Manager Orion Platform Integration module in SolarWinds Orion Platform contains an insecure deserialization flaw that handles untrusted data in the WSAsyncExecuteTasks path. An authenticated attacker with adjacent network access can exploit it to execute arbitrary code remotely, with no user interaction required.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:14:01Z"},"cvss":{"score":8.9,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.72792,"percentile":0.99447,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":2,"pulses":[{"name":"SCANID: S-KhOoOrXsco8: Thor Lite Linux 64 - Sample Lab Device 2 - incomplete (not enriched)","url":"https://otx.alienvault.com/pulse/67c6bb5aa601e91b1314ff44","created":"2025-03-04"},{"name":"Thor Lite Scan - 10.7.15 - Ubuntu Scan on Archived Files","url":"https://otx.alienvault.com/pulse/664cc3c1938ed0b9abf026a2","created":"2024-05-21"}],"provenance":"machine"},"cwes":[],"references":[{"url":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm","tags":["x_refsource_MISC"]},{"url":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm","tags":["x_refsource_MISC"]},{"url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35217","tags":["x_refsource_MISC"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1247/","tags":["x_refsource_MISC"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2021-21860","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-21860","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2021-09-08","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2021-35217","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":27.2,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.89,"detail":"percentile 0.9945"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":1.08,"detail":"2 pulses"},{"name":"CVSS severity","points":6.23,"detail":"base score 8.9"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}