CVSS 3.1
6.1 mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:HCVE-2021-4198
Medium (6.1) in bitdefender. EPSS 0.5% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)
- CWE
- CWE-476
- Published
- Modified
- Record from
- the NVD, synced
Affected
- bitdefender:antivirus_plus
- bitdefender:endpoint_security_tools
- bitdefender:internet_security
- bitdefender:total_security
- bitdefender:vpn_standalone
References
- https://www.bitdefender.com/support/security-advisories/messaging_ipc-dll-null-pointer-dereference-in-multiple-bitdefender-products-va-10016/
- https://www.zerodayinitiative.com/advisories/ZDI-22-483/
- https://www.bitdefender.com/support/security-advisories/messaging_ipc-dll-null-pointer-dereference-in-multiple-bitdefender-products-va-10016/
- https://www.zerodayinitiative.com/advisories/ZDI-22-483/