CVE-2021-4198 - CVE House
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Status published Medium CVE-2021-4198

messaging_ipc.dll NULL Pointer Dereference in multiple Bitdefender products (VA-10016)

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative

Affected Vendor

Bitdefender

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Affected Software

Total Security, Internet Security, Antivirus Plus, Endpoint Security Tools, VPN Standalone
Vulnerable Versions:
unspecified

Timeline

Official Publish: March 7th, 2022
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Weaknesses (CWE)