{"id":"CVE-2021-35215","aliases":["EUVD-2021-21858","GHSA-qgvw-v9xq-rjp9"],"status":"published","title":"ActionPluginBaseView Deserialization of Untrusted Data RCE","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.","severity":{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.69941,"percentile":0.99384,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2021-09-01T14:21:46Z","modified":"2026-06-17T03:57:18Z","exploits":[{"source":"pocgithub","id":"Y4er/CVE-2021-35215","title":"Y4er/CVE-2021-35215","date":"2021-10-23","url":"https://github.com/Y4er/CVE-2021-35215"}],"products":[{"vendor":"solarwinds","product":"orion platform"},{"vendor":"solarwinds","product":"orion_platform"}],"references":[{"url":"https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htm","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35215","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://documentation.solarwinds.co/enm/success_center/orionplatform/content/release_notes/orion_platform_2020-2-6_release_notes.htm","tags":["x_refsource_MISC","x_transferred","Broken Link"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1245/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-35215"},{"url":"https://github.com/advisories/GHSA-qgvw-v9xq-rjp9"}],"sources":{"cve":[{"id":"CVE-2021-35215","title":"ActionPluginBaseView Deserialization of Untrusted Data RCE","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.","status":"published","published":"2021-09-01T14:21:46.258Z","modified":"2024-09-16T19:52:15.792Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:33:09.864034Z"}],"euvd":[{"id":"EUVD-2021-21858","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.","status":"published","published":"2021-09-01T14:21:46Z","modified":"2024-09-16T19:52:15Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high"}],"updated_at":"2026-11-03T00:55:19.119653Z"}],"ghsa":[{"id":"GHSA-qgvw-v9xq-rjp9","title":"Insecure deserialization leading to Remote Code Execution was detected in the Orion Platform...","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.","status":"published","published":"2022-05-24T19:12:48Z","modified":"2023-01-30T05:01:49Z","cwes":["CWE-502"],"updated_at":"2026-11-02T14:46:29.807452Z"}],"nvd":[{"id":"CVE-2021-35215","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.","status":"published","published":"2021-09-01T15:15:08.797Z","modified":"2026-06-17T03:57:18.963Z","cvss":[{"version":"3.1","score":8.9,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:06:57.67549Z"}]}}