CVE-2021-4198

MEDIUM

Bitdefender Antivirus Plus < 26.0.3.29 - Denial of Service via messaging_ipc.dll NULL Pointer Dereference

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 6.1
EPSS 0.0056
EPSS Percentile 42.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

Details

CWE
CWE-476
Status published
Products (5)
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
Published Mar 07, 2022
Tracked Since Feb 18, 2026