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CVE-2021-3576

25
FAUCET Score

CVE-2021-3576 describes an Execution with Unnecessary Privileges vulnerability in Bitdefender Endpoint Security Tools (versions prior to 7.2.1.65) and Bitdefender Total Security (versions prior to 25.0.26). A local attacker can exploit this flaw to elevate their privileges to 'NT AUTHORITY\System', leveraging impersonation to execute actions with elevated security context. With a CVSS score of 7.8 (High), this vulnerability has a low attack complexity and requires local user privileges, but can lead to high impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.2.1.65CPE matchmatch criteria
cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:*
< 25.0.26CPE matchmatch criteria
cpe:2.3:a:bitdefender:total_security:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 91st percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bitdefender.com / support/security-advisories/privilege-escalation-via-seimpersonateprivilege-in-bitdefender-endpoint-security-tools-va-9848
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-21-1276
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-1376
Third Party AdvisoryVDB Entry