CVE-2021-4198

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

MEDIUM
6.1
CVSS Score
Published: March 7, 2022 at 11:30 AM UTC
Updated: June 17, 2026 at 04:19 AM UTC
5 products affected across 1 vendorTotal SecurityEndpoint Security ToolsInternet Security

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.5%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 26.0.3.29
Affected range stops below 26.0.3.29, so it looks safe — our inference, not a vendor statement
v < 7.2.2.92
Affected range stops below 7.2.2.92, so it looks safe — our inference, not a vendor statement
v < 26.0.3.29
Affected range stops below 26.0.3.29, so it looks safe — our inference, not a vendor statement
v < 26.0.3.29
Affected range stops below 26.0.3.29, so it looks safe — our inference, not a vendor statement
v < 25.5.0.48
Affected range stops below 25.5.0.48, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

6.1MEDIUMBitdefender
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-476

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