10.0
CRITICAL
CVE-2021-3554
Bitdefender Endpoint Security Tools for Linux Remote Address Manipulation Vulnerability (Insufficient Access Control)
Description

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.

INFO

Published Date :

Nov. 24, 2021, 4:15 p.m.

Last Modified :

April 25, 2022, 6:08 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.0

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-3554 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Bitdefender endpoint_security_tools
2 Bitdefender gravityzone
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-3554.

URL Resource
https://www.bitdefender.com/support/security-advisories/improper-access-control-vulnerability-patchesupdate-api-va-9825 Broken Link

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-3554 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3554 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Apr. 25, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-668
    Added CWE NIST NVD-CWE-Other
  • Initial Analysis by [email protected]

    Dec. 03, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
    Changed Reference Type https://www.bitdefender.com/support/security-advisories/improper-access-control-vulnerability-patchesupdate-api-va-9825 No Types Assigned https://www.bitdefender.com/support/security-advisories/improper-access-control-vulnerability-patchesupdate-api-va-9825 Broken Link
    Added CWE NIST CWE-668
    Added CPE Configuration OR *cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:* versions up to (excluding) 6.6.27.390 *cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:linux:*:* versions up to (excluding) 6.6.27.390 *cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:*:*:* versions from (including) 7.0.0.00 up to (excluding) 7.1.2.33 *cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:* versions up to (excluding) 6.24.1-1 *cpe:2.3:a:bitdefender:gravityzone:6.24.1-1:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-3554 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.49 }} 0.13%

score

0.75441

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability