What’s Vulnerable › Vulnerabilities

CVE-2021-35508

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-01 · updated 2026-06-17
• Weakness: CWE-732

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.

Affected products

• Terarecon Aquariusnet: 4.4.13

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

Get alerted when CVE-2021-35508 or the next vulnerability affects your stack