Home/CVE/An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linu
CVE

CVE-2021-3485

An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linu

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.

MEDIUM · CVSS 6.4 EPSS 0.00758
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-494Download of Code Without Integrity Check
CWE-494Download of Code Without Integrity Check
▤

Affected Products & Versions

1
bitdefender endpoint security tools< 6.2.21.155
⚠

Public Exploits & PoCs

1
pocherolab.usd.de · usd-2021-0014herolab.usd.de
▣

Scoring & Timeline

6.4
MEDIUM · CVSS v3.1 · cve-requests@bitdefender.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 May 2021 · 02:15 PM
CVSS VectorCVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769Vendor Advisory
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