{"cve":"CVE-2021-30359","nvd":{"published":"2021-10-22T14:15:08.530","modified":"2026-06-17T03:50:16.177","status":"Modified","description":"The Harmony Browse and the SandBlast Agent for Browsers installers must have admin privileges to execute some steps during the installation. Because the MS Installer allows regular users to repair their installation, an attacker running an installer before 90.08.7405 can start the installation repair and place a specially crafted binary in the repair folder, which runs with the admin privileges.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-427"],"references":["https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0007/MNDT-2021-0007.md","https://supportcontent.checkpoint.com/solutions?id=sk175968","https://github.com/mandiant/Vulnerability-Disclosures/blob/master/MNDT-2021-0007/MNDT-2021-0007.md","https://supportcontent.checkpoint.com/solutions?id=sk175968"],"products":["checkpoint:harmony_browse","checkpoint:sandblast_agent_for_browsers"],"source":"nvd","synced_at":"2026-10-19T21:24:39.218183596+00:00"},"epss":{"cve":"CVE-2021-30359","score":0.0393,"percentile":0.90366,"date":"2026-11-01"},"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."]}