CVE-2021-3554: Improper Access Control vulnerability in the patchesUpdate API

Published Nov 24, 2021
·
Updated

Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux as a relay role allows an attacker to manipulate the remote address used for pulling patches. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1.

Affected Software

5 affected components
Bitdefender Endpoint Security Tools<6.6.27.390
Bitdefender Endpoint Security Tools Linux<6.6.27.390
Bitdefender Endpoint Security Tools>=7.0.0.00<7.1.2.33
Bitdefender GravityZone<6.24.1-1
Bitdefender GravityZone=6.24.1-1

Event History

Nov 24, 2021
CVE Published
via MITRE·02:45 PM
Data Sourced
via MITRE·02:45 PM
DescriptionSeverityWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-3554?

CVE-2021-3554 is an Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux.

2

Which software versions are affected by CVE-2021-3554?

Bitdefender Endpoint Security Tools for Linux versions prior to 6.6.27.390 and between 7.0.0.00 and 7.1.2.33 are affected by CVE-2021-3554.

3

What is the severity of CVE-2021-3554?

CVE-2021-3554 has a severity rating of critical with a value of 10.

4

How can an attacker exploit CVE-2021-3554?

An attacker can exploit CVE-2021-3554 by manipulating the remote address used for pulling patches through the patchesUpdate API.

5

Is there a fix for CVE-2021-3554?

Yes, updating to a version of Bitdefender Endpoint Security Tools for Linux that is not affected by CVE-2021-3554 will fix the vulnerability.

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.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203