CVE-2021-36667

Name: CVE-2021-36667
Creator: NVD / NIST
Published: 2022-07-12T14:15:14.493+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.82%

Last modified Jun 17, 2026

CVE-2021-36667 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 1.82% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

1.82%

76.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-78

Affected Software

Vendor	Product	Versions
Druva	Insync Client	< 7.0.0

References

http://druva.comProduct
https://docs.druva.com/Knowledge_Base/Security_Update/Security_Advisory_for_inSync_Client_7.0.1_and_beforePatch, Vendor Advisory
https://imhotepisinvisible.com/druva-lpe/Exploit, Patch, Technical Description, Third Party Advisory
http://druva.comProduct
https://docs.druva.com/Knowledge_Base/Security_Update/Security_Advisory_for_inSync_Client_7.0.1_and_beforePatch, Vendor Advisory
https://imhotepisinvisible.com/druva-lpe/Exploit, Patch, Technical Description, Third Party Advisory

Timeline

Published: Jul 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36667?

How severe is CVE-2021-36667?

CVE-2021-36667 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.82% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36667?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36667?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST