Review reviewHigh

CVE-2021-36668

insync client

URL injection in Driva inSync 6.9.0 for MacOS, allows attackers to force a visit to an arbitrary url via the port parameter to the Electron App.

CVSS
7.8
EPSS
0.57%
44.1% 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 probability0.57%
Technical severityCVSS 7.8

Vulnerability overview

URL injection in Driva inSync 6.9.0 for MacOS, allows attackers to force a visit to an arbitrary url via the port parameter to the Electron App.

Affected product and versions

Product
insync client
Affected versions
< 5.9.3, < 7.0.1
Fixed versions
5.9.3, 7.0.1

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-74