PT-2021-22661 · Bitdefender · Bitdefender Gravityzone+1

Nicolas Verdier · Published 2021-12-16 · Updated 2021-12-22 · CVE-2021-3959

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Bitdefender GravityZone versions prior to 3.3.8.272

Description: A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService component of Bitdefender Endpoint Security Tools allows an attacker to proxy requests to the relay server.

Recommendations: For versions prior to 3.3.8.272, update to version 3.3.8.272 or later to resolve the issue. As a temporary workaround, consider restricting access to the EPPUpdateService component to minimize the risk of exploitation.

Fix

SSRF

Weakness Enumeration

CWE-918

Related Identifiers

CVE-2021-3959

Affected Products

Bitdefender Endpoint Security Tools

Bitdefender Gravityzone

References · 4

• https://osv.dev/vulnerability/CVE-2021-3959 · Vendor Advisory
• https://bitdefender.com/support/security-advisories/server-side-request-forgery-in-bitdefender-gravityzone-update-server-in-relay-mode-va-10145 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3959 · Security Note
• https://t.me/cibsecurity/34142 · Telegram Post