RCE in Druva Insync Client
CVE-2019-3999
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.086 (94.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.086 · newest: 0.086 · change: 0.000
Affected products
- Druva Insync Client — versions 6.5.0
- Microsoft Windows
- Druva Insync Windows Client — versions 6.5.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.tenable.com/security/research/tra-2020-12 (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/157493/Druva-inSync-Windows-Client-6.5.2-Privileg… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/157680/Druva-inSync-inSyncCPHwnet64.exe-RPC-Type-… (Exploit, VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-3999?
- CVE-2019-3999 is a high-severity vulnerability in Druva Insync Client, classified under OS Command Injection. CVSS score: 7.8/10. Published 2020-02-25.
- How severe is CVE-2019-3999?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2019-3999 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.