PT-2021-22008 · Bitdefender · Bitdefender Gravityzone

Published 2021-10-28 · Updated 2021-11-03 · CVE-2021-3823

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions: Bitdefender GravityZone versions prior to 3.3.8.249

Description: The issue is related to an Improper Limitation of a Pathname to a Restricted Directory, also known as a 'Path Traversal' vulnerability, in the UpdateServer component. This allows an attacker to execute arbitrary code on vulnerable instances.

Recommendations: For Bitdefender GravityZone versions prior to 3.3.8.249, update to version 3.3.8.249 or later to resolve the issue. As a temporary workaround, consider restricting access to the UpdateServer component to minimize the risk of exploitation.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2021-3823

Affected Products

Bitdefender Gravityzone

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2021-3823 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3823 · Vendor Advisory
• https://bitdefender.com/support/security-advisories/path-traversal-vulnerability-in-bitdefender-gravitzone-update-server-in-relay-mode-va-10039 · Vendor Advisory
• https://t.me/cibsecurity/31389 · Telegram Post