CVE-2021-3553

MEDIUM

Bitdefender <6.6.27.390, <7.1.2.33, <6.2.21.160 - SSRF

Title source: llm

Description

A Server-Side Request Forgery (SSRF) vulnerability in the EPPUpdateService of Bitdefender Endpoint Security Tools allows an attacker to use the Endpoint Protection relay as a proxy for any remote host. This issue affects: Bitdefender Endpoint Security Tools versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint for Linux versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1.

References (2)

Core 2

Core References

Broken Link x_refsource_misc

https://www.bitdefender.com/support/security-advisories/server-side-request-forgery-eppupdateservice-remote-config-file-va-9825/

Vendor Advisory

https://www.bitdefender.com/support/security-advisories/server-side-request-forgery-in-eppupdateservice-remote-config-file-va-9825/

Scores

CVSS v3 5.3

EPSS 0.0128

EPSS Percentile 66.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE

CWE-918

Status published

Products (3)

bitdefender/endpoint_security_tools < 6.2.21.160

bitdefender/endpoint_security_tools 6.6.27.0 - 6.6.27.390

bitdefender/gravityzone 6.24.1-1

Published Nov 24, 2021

Tracked Since Feb 18, 2026