PT-2021-21269 · Bitdefender · Bitdefender Gravityzone+1

Kharosx0 · Published 2021-11-09 · Updated 2022-02-09 · CVE-2021-3641

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Bitdefender GravityZone versions 7.1.2.33 and prior versions

Description The issue is related to an Improper Link Resolution Before File Access ('Link Following') vulnerability in the EPAG component of Bitdefender Endpoint Security Tools for Windows. This allows a local attacker to cause a denial of service.

Recommendations For Bitdefender GravityZone versions 7.1.2.33 and prior versions, update to a version later than 7.1.2.33 to resolve the issue. As a temporary workaround, consider restricting access to the EPAG component until a patch is available.

Fix

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

CVE-2021-3641

ZDI-22-143

Affected Products

Bitdefender Endpoint Security Tools

Bitdefender Gravityzone

References · 6

• https://bitdefender.com/support/security-advisories/improper-link-resolution-before-file-access-in-bitdefender-gravityzone-va-9921 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-3641 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3641 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-22-143 · Security Note
• https://t.me/cvenotify/25902 · Telegram Post
• https://t.me/cibsecurity/32055 · Telegram Post