CVE-2021-3823
7.1 · HIGHOverview
CVE-2021-3823 is a high-severity vulnerability affecting bitdefender gravityzone. It was published on October 28, 2021 and has a CVSS 3.1 base score of 7.1 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.
Remediation
Check the references section for vendor advisories and patches from bitdefender. Update gravityzone to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| bitdefender | gravityzone | >= 0, < 3.3.8.249 | Affected |
References
Frequently Asked Questions
What is CVE-2021-3823?
CVE-2021-3823 is a high-severity vulnerability affecting bitdefender gravityzone. It was published on October 28, 2021 and has a CVSS 3.1 base score of 7.1 (HIGH).
How severe is CVE-2021-3823?
This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-3823?
Check the references section for vendor advisories and patches from bitdefender. Update gravityzone to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-3823?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-3823 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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Browser-based exploitation validates findings with real proof-of-concept.
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