Vulnerability Name:

CVE-2021-4198 (CCN-221406)

Assigned:2021-12-16
Published:2021-12-16
Updated:2022-03-11
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.
CVSS v3 Severity:6.1 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): High
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): High
CVSS v2 Severity:3.6 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Partial
5.2 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:P/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): Complete
Vulnerability Type:CWE-476
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-4198

Source: XF
Type: UNKNOWN
bitdefender-cve20214198-dos(221406)

Source: CONFIRM
Type: Vendor Advisory
N/A

Source: CCN
Type: Bitdefender Web site
Bitdefender

Source: CCN
Type: ZDI-22-483
Bitdefender Total Security Link Following Denial-of-Service Vulnerability

Source: MISC
Type: Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-483/

Vulnerable Configuration:Configuration 1:
  • cpe:/a:bitdefender:antivirus_plus:*:*:*:*:*:*:*:* (Version < 26.0.3.29)
  • OR cpe:/a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:* (Version < 7.2.2.92)
  • OR cpe:/a:bitdefender:internet_security:*:*:*:*:*:*:*:* (Version < 26.0.3.29)
  • OR cpe:/a:bitdefender:total_security:*:*:*:*:*:*:*:* (Version < 26.0.3.29)
  • OR cpe:/a:bitdefender:vpn_standalone:*:*:*:*:*:*:*:* (Version < 25.5.0.48)

    • Configuration CCN 1:
  • cpe:/a:bitdefender:total_security:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    bitdefender antivirus plus *
    bitdefender endpoint security tools *
    bitdefender internet security *
    bitdefender total security *
    bitdefender vpn standalone *
    bitdefender total security -