{"id":"CVE-2021-4198","aliases":["EUVD-2021-34057","GHSA-6hmq-vw9f-p5pf"],"status":"published","title":"messaging_ipc.dll NULL Pointer Dereference in multiple Bitdefender products (VA-10016)","description":"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":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00545,"percentile":0.46155,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2022-03-07T11:30:14Z","modified":"2026-06-17T04:19:12Z","products":[{"vendor":"bitdefender","product":"antivirus plus"},{"vendor":"bitdefender","product":"antivirus_plus"},{"vendor":"bitdefender","product":"endpoint security tools"},{"vendor":"bitdefender","product":"endpoint_security_tools"},{"vendor":"bitdefender","product":"internet security"},{"vendor":"bitdefender","product":"internet_security"},{"vendor":"bitdefender","product":"total security"},{"vendor":"bitdefender","product":"total_security"},{"vendor":"bitdefender","product":"vpn standalone"},{"vendor":"bitdefender","product":"vpn_standalone"}],"references":[{"url":"https://www.bitdefender.com/support/security-advisories/messaging_ipc-dll-null-pointer-dereference-in-multiple-bitdefender-products-va-10016/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-22-483/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4198"},{"url":"https://github.com/advisories/GHSA-6hmq-vw9f-p5pf"}],"sources":{"cve":[{"id":"CVE-2021-4198","title":"messaging_ipc.dll NULL Pointer Dereference in multiple Bitdefender products (VA-10016)","description":"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.","status":"published","published":"2022-03-07T11:30:14.308Z","modified":"2024-09-17T02:06:29.957Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2021-34057","description":"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.","status":"published","published":"2022-03-07T11:30:14Z","modified":"2024-09-17T02:06:29Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"updated_at":"2026-11-03T00:28:43.867146Z"}],"ghsa":[{"id":"GHSA-6hmq-vw9f-p5pf","title":"A NULL Pointer Dereference vulnerability in the messaging_ipc.dll component as used in...","description":"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.\nThis issue affects:\nBitdefender Total Security\nversions prior to 26.0.3.29.\nBitdefender Internet Security\nversions prior to 26.0.3.29.\nBitdefender Antivirus Plus\nversions prior to 26.0.3.29.\nBitdefender Endpoint Security Tools\nversions prior to 7.2.2.92.\nBitdefender VPN Standalone\nversions prior to 25.5.0.48.","status":"published","published":"2022-03-08T00:00:28Z","modified":"2023-02-03T05:06:48Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:53:56.97591Z"}],"nvd":[{"id":"CVE-2021-4198","description":"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.","status":"published","published":"2022-03-07T12:15:07.967Z","modified":"2026-06-17T04:19:12.147Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":3.6,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:05.198719Z"}]}}