Review reviewHigh

CVE-2021-36667

insync client

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.

CVSS
7.8
EPSS
2.74%
84.7% percentile
CISA KEV
Not listed
Published
2022.07.12
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability2.74%
Technical severityCVSS 7.8

Vulnerability overview

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 product and versions

Product
insync client
Affected versions
< 7.0.0
Fixed versions
7.0.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that insync client and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-78
CVE-2021-36667 — insync client | SECUFOCUS NOW