{"cve":"CVE-2021-35508","nvd":{"published":"2021-09-01T14:15:07.813","modified":"2026-06-17T03:57:36.287","status":"Modified","description":"NMSAccess32.exe in TeraRecon AQNetClient 4.4.13 allows attackers to execute a malicious binary with SYSTEM privileges via a low-privileged user account. To exploit this, a low-privileged user must change the service configuration or overwrite the binary service.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-732"],"references":["https://terarecon.sharefile.com/d-s05c8b7792f354a2d8115789a02449c4a","https://www.linkedin.com/pulse/cve-2021-35508-privilege-escalation-via-weak-windows-marshall-mba","https://terarecon.sharefile.com/d-s05c8b7792f354a2d8115789a02449c4a","https://www.linkedin.com/pulse/cve-2021-35508-privilege-escalation-via-weak-windows-marshall-mba"],"products":["terarecon:aquariusnet"],"source":"nvd","synced_at":"2026-10-19T21:21:57.125947417+00:00"},"epss":{"cve":"CVE-2021-35508","score":0.01484,"percentile":0.74005,"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."]}