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TI-2021-03064 Aliases CVE-2021-4198GHSA-6hmq-vw9f-p5pf

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

Priority LOW 28CWE-476Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · Low · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.

Summary

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.

Why it matters now

EPSS 0.00545 45th percentileScored 2026-11-07
Fix Fixed Total Security (Bitdefender): 26.0.3.29Internet Security (Bitdefender): 26.0.3.29+3 more products

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
BitdefenderTotal Securitybefore 26.0.3.2926.0.3.29Patch availableCNA
BitdefenderInternet Securitybefore 26.0.3.2926.0.3.29Patch availableCNA
BitdefenderAntivirus Plusbefore 26.0.3.2926.0.3.29Patch availableCNA
BitdefenderEndpoint Security Toolsbefore 7.2.2.927.2.2.92Patch availableCNA
BitdefenderVPN Standalonebefore 25.5.0.4825.5.0.48Patch availableCNA
  • Total Security VendorBitdefender Affected before 26.0.3.29 Fixed in 26.0.3.29 Patch available CNA
  • Internet Security VendorBitdefender Affected before 26.0.3.29 Fixed in 26.0.3.29 Patch available CNA
  • Antivirus Plus VendorBitdefender Affected before 26.0.3.29 Fixed in 26.0.3.29 Patch available CNA
  • Endpoint Security Tools VendorBitdefender Affected before 7.2.2.92 Fixed in 7.2.2.92 Patch available CNA
  • VPN Standalone VendorBitdefender Affected before 25.5.0.48 Fixed in 25.5.0.48 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:bitdefender:antivirus_plus:*:*:*:*:*:*:*:*before 26.0.3.29VulnerableBitdefender
cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:*before 7.2.2.92VulnerableBitdefender
cpe:2.3:a:bitdefender:internet_security:*:*:*:*:*:*:*:*before 26.0.3.29VulnerableBitdefender
cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:*before 26.0.3.29VulnerableBitdefender
cpe:2.3:a:bitdefender:vpn_standalone:*:*:*:*:*:*:*:*before 25.5.0.48VulnerableBitdefender
  • cpe:2.3:a:bitdefender:antivirus_plus:*:*:*:*:*:*:*:* Versions before 26.0.3.29 Vulnerable ·Bitdefender
  • cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:* Versions before 7.2.2.92 Vulnerable ·Bitdefender
  • cpe:2.3:a:bitdefender:internet_security:*:*:*:*:*:*:*:* Versions before 26.0.3.29 Vulnerable ·Bitdefender
  • cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:* Versions before 26.0.3.29 Vulnerable ·Bitdefender
  • cpe:2.3:a:bitdefender:vpn_standalone:*:*:*:*:*:*:*:* Versions before 25.5.0.48 Vulnerable ·Bitdefender

Remediation

  • Fix · CNA Total Security (Bitdefender) Fixed in 26.0.3.29
  • Fix · CNA Internet Security (Bitdefender) Fixed in 26.0.3.29
  • Fix · CNA Antivirus Plus (Bitdefender) Fixed in 26.0.3.29
  • Fix · CNA Endpoint Security Tools (Bitdefender) Fixed in 7.2.2.92
  • Fix · CNA VPN Standalone (Bitdefender) Fixed in 25.5.0.48

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-4198
  2. 2026-10-03 Alias added: GHSA-6hmq-vw9f-p5pf

References

Advisory 2

  • TI-2025-06435 Local Privilege Escalation via Arbitrary File Operation in Bitdefender Total Security CVSS 4.0HIGH 8.8
  • TI-2020-06526 Process Control vulnerability in Bitdefender Antivirus Plus CVSS 3.1HIGH 8.2
  • TI-2023-05659 Local privilege escalation in Bitdefender Total Security (VA-11168) CVSS 3.1HIGH 7.8
  • TI-2022-00282 Improper Quoting Path Issue in Bitdefender Total Security CVSS 3.1HIGH 7.8
  • TI-2021-03065 Incorrect Permission Assignment for Critical Resource vulnerability in BDReinit.exe (VA-10017) CVSS 3.1HIGH 7.8
  • TI-2020-12398 Improper certificate validation in Bitdefender Total Security CVSS 3.1HIGH 7.5
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences