Vulnerability Description
A NULL Pointer Dereference vulnerability in the messaging_ipc.dll component as used in Bitdefender Total Security, Internet Security, Antivirus Plus, Endpoint Security Tools, VPN Standalone allows an attacker to arbitrarily crash product processes and generate crashdump files. This issue affects: Bitdefender Total Security versions prior to 26.0.3.29. Bitdefender Internet Security versions prior to 26.0.3.29. Bitdefender Antivirus Plus versions prior to 26.0.3.29. Bitdefender Endpoint Security Tools versions prior to 7.2.2.92. Bitdefender VPN Standalone versions prior to 25.5.0.48.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Bitdefender | Antivirus Plus | < 26.0.3.29 |
| Bitdefender | Endpoint Security Tools | < 7.2.2.92 |
| Bitdefender | Internet Security | < 26.0.3.29 |
| Bitdefender | Total Security | < 26.0.3.29 |
| Bitdefender | Vpn Standalone | < 25.5.0.48 |
Related Weaknesses (CWE)
References
- https://www.bitdefender.com/support/security-advisories/messaging_ipc-dll-null-pVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-483/Third Party Advisory
- https://www.bitdefender.com/support/security-advisories/messaging_ipc-dll-null-pVendor Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-483/Third Party Advisory
FAQ
What is CVE-2021-4198?
CVE-2021-4198 is a vulnerability with a CVSS score of 6.1 (MEDIUM). A NULL Pointer Dereference vulnerability in the messaging_ipc.dll component as used in Bitdefender Total Security, Internet Security, Antivirus Plus, Endpoint Security Tools, VPN Standalone allows an ...
How severe is CVE-2021-4198?
CVE-2021-4198 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-4198?
Check the references section above for vendor advisories and patch information. Affected products include: Bitdefender Antivirus Plus, Bitdefender Endpoint Security Tools, Bitdefender Internet Security, Bitdefender Total Security, Bitdefender Vpn Standalone.