Is CVE-2021-3576 in the CISA KEV catalog?

No. CVE-2021-3576 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-3576?

CVE-2021-3576 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-3576?

CVE-2021-3576 has an EPSS score of 0.94% (57th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-3576?

Upgrade BitDefender Agent to 25.0.26 or later.

CVE & CISA-KEV Catalog

CVE-2021-3576

HIGH

7.8

CVSS v3

NVD

Description

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.

CWE-250 CWE-269Improper Privilege Management

How to fix

Remediation Available

BitDefender AgentWindows application

Affected:25.0.26Fixed in:25.0.26Bitdefender

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.94%probability of exploitation in 30 days

57thpercentile

Moderate risk: more likely to be exploited than 57% of all known CVEs.

References

Vendor Advisory1

bitdefender.com

Third-Party Advisory2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.