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CVE-2020-5752

41
FAUCET Score

CVE-2020-5752 describes a relative path traversal vulnerability in Druva inSync Windows Client version 6.6.3. This flaw allows a local, unauthenticated attacker to execute arbitrary operating system commands with SYSTEM privileges. With a CVSS score of 7.8 (High), exploitation is straightforward, requiring only local access and low privileges, leading to complete compromise of confidentiality, integrity, and availability. While not listed on the CISA KEV catalog, public exploit modules exist for Metasploit and ExploitDB, indicating readily available attack tools, despite a lack of significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
6.6.3CPE matchmatch criteria
cpe:2.3:a:druva:insync_client:6.6.3:*:*:*:*:windows:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.61%
Probability of exploitation in next 30 days
EPSS Percentile
94.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Druva inSync inSyncCPHwnet64.exe RPC Type 5 Privilege Escalation · Feb 25, 2020
ExploitDB: EDB-49211 · Dec 7, 2020
This CVE's current EPSS score of 0.0861 is in the 99th percentile among its peer group of 16,994 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

boschvendor investigatingvia llm_extracted
maxkbvendor investigatingvia llm_extracted
nxpvendor investigatingvia llm_extracted
openfirevendor investigatingvia llm_extracted
openstackvendor investigatingvia llm_extracted
opnsensevendor investigatingvia llm_extracted

Vendor Advisories (6)

maxkbllm-maxkb-d9fc363750c4c971HIGH

Druva inSync Windows Client Local Privilege Escalation (CVE-2019-3999 Patch Bypass)

May 21, 2020
openstackllm-openstack-7a3cf8fa2db96ce8HIGH

Druva inSync Windows Client Local Privilege Escalation (CVE-2019-3999 Patch Bypass)

May 21, 2020
nxpllm-nxp-0eba3474594828e1HIGH

Druva inSync Windows Client Local Privilege Escalation (CVE-2019-3999 Patch Bypass)

May 21, 2020
boschllm-bosch-7ebc159cb3c3a2d7HIGH

Druva inSync Windows Client Local Privilege Escalation (CVE-2019-3999 Patch Bypass)

May 21, 2020
opnsensellm-opnsense-562f72fb8c9c1f7bHIGH

Druva inSync Windows Client Local Privilege Escalation (CVE-2019-3999 Patch Bypass)

May 21, 2020
openfirellm-openfire-2d20f44263d05a6eHIGH

Druva inSync Windows Client Local Privilege Escalation (CVE-2019-3999 Patch Bypass)

May 21, 2020

References

packetstormsecurity.com / files/157802/Druva-inSync-Windows-Client-6.6.3-Local-Privilege-Escalation.html
ExploitThird Party AdvisoryVDB Entry
packetstormsecurity.com / files/160404/Druva-inSync-Windows-Client-6.6.3-Privilege-Escalation.html
ExploitThird Party AdvisoryVDB Entry
tenable.com / security/research/tra-2020-34
ExploitRelease NotesThird Party Advisory