7.8
CWE
269
Advisory Published
Updated

CVE-2021-41388

First published: Tue Jan 04 2022(Updated: )

Netskope client prior to 89.x on macOS is impacted by a local privilege escalation vulnerability. The XPC implementation of nsAuxiliarySvc process does not perform validation on new connections before accepting the connection. Thus any low privileged user can connect and call external methods defined in XPC service as root, elevating their privilege to the highest level.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
All of
Netskope<89
macOS
Netskope<89
macOS

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Frequently Asked Questions

  • What is CVE-2021-41388?

    CVE-2021-41388 is a local privilege escalation vulnerability in Netskope client prior to version 89.x on macOS.

  • How does CVE-2021-41388 affect macOS?

    CVE-2021-41388 allows any low privileged user on macOS to connect and call external methods in the nsAuxiliarySvc process of Netskope client prior to version 89.x.

  • What is the severity of CVE-2021-41388?

    CVE-2021-41388 has a severity rating of 7.8 (high).

  • How can I fix CVE-2021-41388?

    To fix CVE-2021-41388, update Netskope client to version 89.x or later.

  • Where can I find more information about CVE-2021-41388?

    You can find more information about CVE-2021-41388 in the Netskope Security Advisory NSKPSA-2021-002: [https://www.netskope.com/company/security-compliance-and-assurance/netskope-security-advisory-nskpsa-2021-002](https://www.netskope.com/company/security-compliance-and-assurance/netskope-security-advisory-nskpsa-2021-002).

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203