What’s Vulnerable › Vulnerabilities

CVE-2021-3423: Privilege escalation in Bitdefender GravityZone Business Security

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-18 · updated 2026-06-17
• Weakness: CWE-427

Description

Uncontrolled Search Path Element vulnerability in the openssl component as used in Bitdefender GravityZone Business Security allows an attacker to load a third party DLL to elevate privileges. This issue affects Bitdefender GravityZone Business Security versions prior to 6.6.23.329.

Affected products

• BItdefender GravityZone Business Security: before 6.6.23.329 — fixed in 6.6.23.329

How to fix

Upgrade to a fixed version: BItdefender GravityZone Business Security 6.6.23.329. Check the vendor advisory for mitigations.

References

• https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557
• https://www.bitdefender.com/support/security-advisories/privilege-escalation-in-bitdefender-gravityzone-business-security-va-9557

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