CVE-2019-3999Improper neutralization of special elements used in an OS command in Druva inSync Windows Client 6.5.0 allows a local, unauthenticated…
- 7.8HighCVSS base score
- 8.6%Exploitation in 30 daysEPSS · top 4.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it.
Show the exploits2
Metasploit modules1 module
- Druva inSync inSyncCPHwnet64.exe RPC Type 5 Privilege Escalation (Metasploit module) (opens in a new tab)
exploit/windows/local/druva_insync_insynccphwnet64_rcp_type_5_priv_escRank excellentdisclosed 25 Feb 2020
Exploit-DB1 entry
- Druva inSync Windows Client 6.5.2 - Local Privilege Escalation (Exploit-DB entry) (opens in a new tab)
EDB-ID 48400local, windowspublished 29 Apr 2020Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By tenable
- 14 months later
· 14 months later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 8.6% · top 4.8% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
Druva inSync Windows Client
- affected 6.5.0
References
References3
- https://www.tenable.com/security/research/tra-2020-12 (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/157493/Druva-inSync-Windows-Client-6.5.2-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/157680/Druva-inSync-inSyncCPHwnet64.exe-RPC-Type-5-Privilege-Escalation.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2019-13606 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2019-3999)Record last updated .