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Vulnerability record · CVE-2021-3641 · published 9 November 2021

CVE-2021-3641: Bitdefender gravityzone link following vulnerability

Bitdefender · Gravityzone

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.

6.1 CVSS 3.1 Medium EPSS 0.35% · top 73.6% CWE-59 · Link following
6.1CVSS 3.1 base score, v2 3.6
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravi Broken LinkVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-143/ Third Party AdvisoryVDB Entry
https://www.bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravi Broken LinkVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-143/ Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-3641), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.