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CVE-2021-4199

25
FAUCET Score

CVE-2021-4199 is an Incorrect Permission Assignment vulnerability in the BDReinit.exe component of Bitdefender Total Security, Internet Security, Antivirus Plus, and Endpoint Security Tools for Windows, affecting versions prior to 26.0.10.45 and 7.4.3.146 respectively. This flaw allows a local attacker to escalate privileges to SYSTEM. Rated HIGH with a CVSS score of 7.8, it presents a significant risk due to its low attack complexity and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 26.0.3.29CPE matchmatch criteria
cpe:2.3:a:bitdefender:antivirus_plus:*:*:*:*:*:*:*:*
< 7.4.3.146CPE matchmatch criteria
cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:windows:*:*
< 26.0.3.29CPE matchmatch criteria
cpe:2.3:a:bitdefender:internet_security:*:*:*:*:*:*:*:*
< 26.0.3.29CPE 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
0.76%
Probability of exploitation in next 30 days
EPSS Percentile
51.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0076 is in the 87th 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/incorrect-permission-assignment-for-critical-resource-vulnerability-in-bdreinit-exe-va-10017
Vendor Advisory
zerodayinitiative.com / advisories/ZDI-22-484
Third Party Advisory