CVE-2019-3999 EXPLOIT
7.8
HIGH · CVSS 3.1 · EPSS 8.6% (pctl 95)
Patch early
A public exploit exists.
Description
Improper neutralization of special elements used in an OS command in Druva inSync Windows Client 6.5.0 allows a local, unauthenticated attacker to execute arbitrary operating system commands with SYSTEM privileges.
Scoring
| CVSS | 7.8 (HIGH, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 8.57% — more likely to be exploited than 95% of all CVEs |
| Weakness | CWE-78 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2020-02-25 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| druva | insync client |
| microsoft | windows |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Druva inSync Windows Client 6.5.2 - Local Privilege Escalation | 2020-04-29 |
References
- http://packetstormsecurity.com/files/157493/Druva-inSync-Windows-Client-6.5.2-Privilege-Escalation.html
- http://packetstormsecurity.com/files/157680/Druva-inSync-inSyncCPHwnet64.exe-RPC-Type-5-Privilege-Escalation.html
- https://www.tenable.com/security/research/tra-2020-12
- http://packetstormsecurity.com/files/157493/Druva-inSync-Windows-Client-6.5.2-Privilege-Escalation.html
- http://packetstormsecurity.com/files/157680/Druva-inSync-inSyncCPHwnet64.exe-RPC-Type-5-Privilege-Escalation.html
- https://www.tenable.com/security/research/tra-2020-12
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