CVE-2021-4198

lowpriority · track · 24EPSS 0.005 · 46 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.55% (46th) EPSS

CVSS 3.6 · low

Is it mine?

10 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.6–6.1

v2.03.6lowAV:L/AC:L/Au:N/C:N/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 4.9

v3.16.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 4.2

v3.16.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Hsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:Hsecondary · cve-requests@bitdefender.comexploitability 1.8 · impact 4.2

v3.15.6mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimary

affected products (10)

Products and version ranges known to be affected.

Bitdefender Antivirus Plusunspecified → 26.0.3.29enisa_euvdEU
Bitdefender Endpoint Security Toolsunspecified → 7.2.2.92enisa_euvdEU
Bitdefender Internet Securityunspecified → 26.0.3.29enisa_euvdEU
Bitdefender Total Securityunspecified → 26.0.3.29enisa_euvdEU
Bitdefender VPN Standaloneunspecified → 25.5.0.48enisa_euvdEU
bitdefender antivirus plus< 26.0.3.29nvdUScpe:2.3:a:bitdefender:antivirus_plus:*:*:*:*:*:*:*:*
bitdefender endpoint security tools< 7.2.2.92nvdUScpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:*
bitdefender internet security< 26.0.3.29nvdUScpe:2.3:a:bitdefender:internet_security:*:*:*:*:*:*:*:*
bitdefender total security< 26.0.3.29nvdUScpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:*
bitdefender vpn standalone< 25.5.0.48nvdUScpe:2.3:a:bitdefender:vpn_standalone:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2022-03-07modified 2026-06-17

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+8782 more

references (7)

External citations — patches, advisories, analysis.

scry

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