{"id":"CVE-2021-35215","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-35215","generatedAt":"2026-11-05T01:08:13.064Z","title":"Insecure deserialization leading to Remote Code Execution was detected in the Orion Platform version 2020.2.5.","description":"Insecure deserialization leading to Remote Code Execution was detected in the Orion Platform version 2020.2.5. Authentication is required to exploit this vulnerability.","published":"2021-09-01T15:15:09.000Z","lastModified":"2026-06-17T03:57:19.000Z","status":"Modified","sourceIdentifier":"psirt@solarwinds.com","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":["solarwinds/orion platform"],"epss":{"score":0.69941,"percentile":0.99375,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 69.9%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://documentation.solarwinds.co/enm/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm","tags":["Broken Link"],"source":"psirt@solarwinds.com"},{"url":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm","tags":["Product","Vendor Advisory"],"source":"psirt@solarwinds.com"},{"url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35215","tags":["Patch","Vendor Advisory"],"source":"psirt@solarwinds.com"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1245/","tags":["Third Party Advisory","VDB Entry"],"source":"psirt@solarwinds.com"},{"url":"https://documentation.solarwinds.co/enm/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm","tags":["Broken Link"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35215","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1245/","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-35215","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}