CVE-2021-3554

Improper Access Control vulnerability in the patchesUpdate API

Description

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.

Remediation

Workaround:

  • An automatic update to version 6.6.27.390 fixes the issue.

Category

9.0
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.32%
Affected: Bitdefender Endpoint Security Tools for Linux
Affected: Bitdefender Unified Endpoint
Affected: Bitdefender GravityZone
Published at:
Updated at:

References

Link Tags
https://www.bitdefender.com/support/security-advisories/improper-access-control-vulnerability-patchesupdate-api-va-9825 broken link

Frequently Asked Questions

What is the severity of CVE-2021-3554?
CVE-2021-3554 has been scored as a critical severity vulnerability.
How to fix CVE-2021-3554?
As a workaround for remediating CVE-2021-3554: An automatic update to version 6.6.27.390 fixes the issue.
Is CVE-2021-3554 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3554 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3554?
CVE-2021-3554 affects Bitdefender Endpoint Security Tools for Linux, Bitdefender Unified Endpoint, Bitdefender GravityZone.
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