What’s Vulnerable › Vulnerabilities

CVE-2021-36667

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-12 · updated 2026-07-09
• Weakness: CWE-78

Description

Command injection vulnerability in Druva inSync 6.9.0 for MacOS, allows attackers to execute arbitrary commands via crafted payload to the local HTTP server due to un-sanitized call to the python os.system library.

Affected products

• Druva inSync Windows Client: before 7.0.0 — fixed in 7.0.0

How to fix

Upgrade to a fixed version: Druva inSync Windows Client 7.0.0. Check the vendor advisory for mitigations.

References

• https://docs.druva.com/Knowledge_Base/Security_Update/Security_Advisory_for_inSync_Client_7.0.1_and_before
• https://imhotepisinvisible.com/druva-lpe/
• https://docs.druva.com/Knowledge_Base/Security_Update/Security_Advisory_for_inSync_Client_7.0.1_and_before
• https://imhotepisinvisible.com/druva-lpe/

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