CVE-2021-3641

Improper Link Resolution Before File Access in Bitdefender GravityZone (VA-9921)

Description

Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows allows a local attacker to cause a denial of service. This issue affects: Bitdefender GravityZone version 7.1.2.33 and prior versions.

Remediation

Solution:

  • An automatic update to a newer version of Bitdefender Endpoint Security Tools for Windows fixes the issue

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Vendor Advisory bitdefender.com
Affected: Bitdefender GravityZone
Published at:
Updated at:

References

Link Tags
https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921 vendor advisory broken link
https://www.zerodayinitiative.com/advisories/ZDI-22-143/ third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2021-3641?
CVE-2021-3641 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3641?
To fix CVE-2021-3641: An automatic update to a newer version of Bitdefender Endpoint Security Tools for Windows fixes the issue
Is CVE-2021-3641 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3641 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-2021-3641?
CVE-2021-3641 affects Bitdefender GravityZone.
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