What is CVE-2021-4198?

CVE-2021-4198 is a medium-severity vulnerability in Bitdefender Antivirus Plus, classified under NULL Pointer Dereference. CVSS score: 6.1/10. Published 2022-03-07.

How severe is CVE-2021-4198?

Medium severity. CVSS v3 base score is 6.1 out of 10.

NULL pointer dereference in Bitdefender Antivirus Plus

CVE-2021-4198

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 p…

EPSS: 0.001 (32.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H.

Affected products

Bitdefender Antivirus Plus — versions unspecified
Bitdefender Endpoint Security Tools — versions unspecified
Bitdefender Internet Security — versions unspecified
Bitdefender Total Security — versions unspecified
Bitdefender Vpn Standalone — versions unspecified

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

www.bitdefender.com/support/security-advisories/messaging_ipc-dll-null-pointer-… (x_refsource_MISC)
www.zerodayinitiative.com/advisories/ZDI-22-483/ (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-4198?: CVE-2021-4198 is a medium-severity vulnerability in Bitdefender Antivirus Plus, classified under NULL Pointer Dereference. CVSS score: 6.1/10. Published 2022-03-07.
How severe is CVE-2021-4198?: Medium severity. CVSS v3 base score is 6.1 out of 10.