CVE-2021-3959

Server-Side Request Forgery in Bitdefender GravityZone Update Server in Relay Mode (VA-10145)

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. This issue affects: Bitdefender Bitdefender GravityZone versions prior to 3.3.8.272

Remediation

Solution:

  • An automatic update to version 3.3.8.272 fixes the issue.

Category

6.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.22%
Vendor Advisory bitdefender.com
Affected: Bitdefender GravityZone
Published at:
Updated at:

References

Link Tags
https://www.bitdefender.com/support/security-advisories/server-side-request-forgery-in-bitdefender-gravityzone-update-server-in-relay-mode-va-10145 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-3959?
CVE-2021-3959 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3959?
To fix CVE-2021-3959: An automatic update to version 3.3.8.272 fixes the issue.
Is CVE-2021-3959 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3959 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-3959?
CVE-2021-3959 affects Bitdefender GravityZone.
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