Read the docs
TI-2021-02856 Aliases CVE-2021-3959GHSA-f622-26hm-xgj8

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

Priority LOW 36CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

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

Why it matters now

EPSS 0.01743 77th percentileScored 2026-11-07
Fix Fixed GravityZone (Bitdefender): 3.3.8.272

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
BitdefenderGravityZonebefore 3.3.8.2723.3.8.272Patch availableCNA
  • GravityZone VendorBitdefender Affected before 3.3.8.272 Fixed in 3.3.8.272 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:*before 3.3.8.272VulnerableBitdefender
  • cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:* Versions before 3.3.8.272 Vulnerable ·Bitdefender

Remediation

  • Fix · CNA GravityZone (Bitdefender) Fixed in 3.3.8.272

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Bitdefender GravityZone 3.3.8.272

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-02857 Privilege Escalation via the GravityZone productManager UpdateServer.KitsManager API (VA-10146)Priority LOW 34
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3959
  2. 2026-10-03 Alias added: GHSA-f622-26hm-xgj8

References

Advisory 1

  • TI-2014-04366 Multiple directory traversal vulnerabilities in Bitdefender GravityZone before 5.1.11.432… CVSS 2.0MEDIUM 5.0
  • TI-2025-01969 Insecure PHP deserialization issue in GravityZone Console (VA-12634) CVSS 4.0CRITICAL 9.5
  • TI-2018-06489 The installer for BitDefender GravityZone relies on an encoded string in a filename to… CVSS 3.0CRITICAL 9.8
  • TI-2021-02507 Improper access control in Bitdefender Endpoint Security Tools for Linux CVSS 3.1CRITICAL 10.0
  • TI-2017-06423 Bitdefender GravityZone VMware appliance before 6.2.1-35 might allow attackers to gain… CVSS 3.0CRITICAL 9.8
  • TI-2022-02624 Deserialization of Untrusted Data in GravityZone Console On-Premise (VA-10573) CVSS 3.1CRITICAL 9.8
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences