CVE-2021-4199
7.8 · HIGHOverview
CVE-2021-4199 is a high-severity vulnerability affecting bitdefender antivirus_plus. It was published on March 7, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
Technical Description
Incorrect Permission Assignment for Critical Resource vulnerability in the crash handling component BDReinit.exe as used in Bitdefender Total Security, Internet Security, Antivirus Plus, Endpoint Security Tools for Windows allows a remote attacker to escalate local privileges to SYSTEM. This issue affects: Bitdefender Total Security versions prior to 26.0.10.45. Bitdefender Internet Security versions prior to 26.0.10.45. Bitdefender Antivirus Plus versions prior to 26.0.10.45. Bitdefender Endpoint Security Tools for Windows versions prior to 7.4.3.146.
Remediation
Check the references section for vendor advisories and patches from bitdefender. Update antivirus_plus 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 | antivirus_plus | >= 0, < 26.0.3.29 | Affected |
| bitdefender | endpoint_security_tools | >= 0, < 7.4.3.146 | Affected |
| bitdefender | internet_security | >= 0, < 26.0.3.29 | Affected |
| bitdefender | total_security | >= 0, < 26.0.3.29 | Affected |
References
Frequently Asked Questions
What is CVE-2021-4199?
CVE-2021-4199 is a high-severity vulnerability affecting bitdefender antivirus_plus. It was published on March 7, 2022 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-4199?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-4199?
Check the references section for vendor advisories and patches from bitdefender. Update antivirus_plus 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-2021-4199?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-4199 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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