{"cve":"CVE-2021-27258","nvd":{"published":"2021-04-14T16:15:13.877","modified":"2026-06-17T03:44:34.080","status":"Modified","description":"This vulnerability allows remote attackers to execute escalate privileges on affected installations of SolarWinds Orion Platform 2020.2. Authentication is not required to exploit this vulnerability. The specific flaw exists within the SaveUserSetting endpoint. The issue results from improper restriction of this endpoint to unprivileged users. An attacker can leverage this vulnerability to escalate privileges their privileges from Guest to Administrator. Was ZDI-CAN-11903.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-284"],"references":["https://www.zerodayinitiative.com/advisories/ZDI-21-192/","https://www.zerodayinitiative.com/advisories/ZDI-21-192/"],"products":["solarwinds:orion_platform"],"source":"nvd","synced_at":"2026-10-19T21:17:01.373894544+00:00"},"epss":{"cve":"CVE-2021-27258","score":0.03981,"percentile":0.90492,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}