6.6
MEDIUM
CVE-2021-3485
Bitdefender Endpoint Security Tools for Linux Remote Code Execution Vulnerability
Description

An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.

INFO

Published Date :

May 24, 2021, 2:15 p.m.

Last Modified :

Sept. 16, 2024, 5:15 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

0.7
Affected Products

The following products are affected by CVE-2021-3485 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
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-2021-3485.

URL Resource
https://herolab.usd.de/security-advisories/usd-2021-0014/ Exploit Third Party Advisory
https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769 Vendor Advisory

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-2021-3485 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-3485 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]

    Sep. 16, 2024

    Action Type Old Value New Value
    Changed Description An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155. An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155. An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.
  • Modified Analysis by [email protected]

    Feb. 16, 2023

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Dec. 20, 2022

    Action Type Old Value New Value
    Removed CWE Bitdefender CWE-20
    Added CWE Bitdefender CWE-494
    Removed CWE Reason CWE-20 / More specific CWE option available
  • Reanalysis by [email protected]

    Oct. 27, 2022

    Action Type Old Value New Value
    Removed CWE NIST CWE-20
    Added CWE NIST CWE-494
  • Modified Analysis by [email protected]

    Apr. 26, 2022

    Action Type Old Value New Value
    Changed Reference Type https://herolab.usd.de/security-advisories/usd-2021-0014/ No Types Assigned https://herolab.usd.de/security-advisories/usd-2021-0014/ Exploit, Third Party Advisory
  • CVE Modified by [email protected]

    Jun. 17, 2021

    Action Type Old Value New Value
    Added Reference https://herolab.usd.de/security-advisories/usd-2021-0014/ [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 28, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769 No Types Assigned https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769 Vendor Advisory
    Added CWE NIST CWE-20
    Added CPE Configuration OR *cpe:2.3:a:bitdefender:endpoint_security_tools:*:*:*:*:*:linux:*:* versions up to (excluding) 6.2.21.155
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.
Exploit Prediction

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

0.47 }} 0.03%

score

0.75969

percentile

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