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CVE

CVE-2021-3576

Execution with Unnecessary Privileges vulnerability in Bitdefender Endpoint Security Tools, Total Security allows a loca

Execution with Unnecessary Privileges vulnerability in Bitdefender Endpoint Security Tools, Total Security allows a local attacker to elevate to 'NT AUTHORITY\System. Impersonation enables the server thread to perform actions on behalf of the client but within the limits of the client's security context. This issue affects: Bitdefender Endpoint Security Tools versions prior to 7.2.1.65.

Bitdefender Total Security versions prior to 25.0.26.

HIGH · CVSS 7.8 EPSS 0.00097
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-250Execution with Unnecessary Privileges
CWE-269Improper Privilege Management
▤

Affected Products & Versions

2
bitdefender endpoint security tools< 7.2.1.65
bitdefender total security< 25.0.26
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · cve-requests@bitdefender.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Oct 2021 · 02:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.bitdefender.com/support/security-advisories/privilege-escalation-via-seimpersonateprivilege-in-bitdefender-endpoint-security-tools-va-9848/Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1276/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-1376/Third Party AdvisoryVDB Entry
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