What is the CVSS score of CVE-2021-3554?

CVE-2021-3554 has a CVSS 3.1 base score of 10.0 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. EPSS exploitation probability: 2.7%.

Endpoint Security Tools CVE-2021-3554

CRITICAL

Improper Access Control (CWE-284)

2021-11-24 cve-requests@bitdefender.com

Authentication Bypass Endpoint Security Tools Gravityzone

10.0

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

10.0 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 24, 2021 - 16:15 nvd

CRITICAL 10.0

DescriptionNVD

Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux as a relay role allows an attacker to manipulate the remote address used for pulling patches. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1.

AnalysisAI

Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux as a relay role allows an attacker to manipulate the remote address used. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-284. Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux as a relay role allows an attacker to manipulate the remote address used for pulling patches. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1. Affected products include: Bitdefender Endpoint Security Tools, Bitdefender Gravityzone. Version information: prior to 6.6.27.390.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.