CVE-2021-35508
CVSS v3
8.8
HIGH
EPSS Score
1.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2021-09-01
Frequently asked questions
What is CVE-2021-35508?
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.
Is CVE-2021-35508 actively exploited?
Active exploitation of CVE-2021-35508 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-35508?
CVE-2021-35508 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2021-35508 affecting your environment?
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