CVE-2021-35508 json
NMSAccess32.exe in TeraRecon AQNetClient 4.4.13 allows attackers to execute a malicious binary with SYSTEM privileges via a low-privileged…
published 2021-09-01 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-22149
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 0
- none known
Summary
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.
Exploit prediction
1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- linkedin.com https://www.linkedin.com/pulse/cve-2021-35508-privilege-escalation-via-weak-windows-marshall-mba referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 8.5 | AV:N/AC:M/Au:S/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
linkedin.com
/pulse/cve-2021-35508-privilege-escalation-via-weak-windows-marshall-mba
exploit, third-party-advisory
-
terarecon.sharefile.com
/d-s05c8b7792f354a2d8115789a02449c4a
product, third-party-advisory
Sources
- CVE List CVE-2021-35508
- NVD CVE-2021-35508
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.