TI-2021-02754 Aliases CVE-2021-3823 GHSA-pv3r-p93c-qvjx

Path traversal vulnerability in Bitdefender GravitZone Update Server in relay mode

MEDIUM 44CWE-22Published 2021-10-28 · Updated 2024-09-16

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the UpdateServer component of Bitdefender GravityZone allows an attacker to execute arbitrary code on vulnerable instances. This issue affects: Bitdefender GravityZone versions prior to 3.3.8.249.

Why it matters now

EPSS 0.01063 64th percentileScored 2026-11-07

Fix Fixed GravityZone Update Server (Bitdefender): 3.3.8.249

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Bitdefender	GravityZone Update Server	before 3.3.8.249	3.3.8.249	Patch available	CNA

GravityZone Update Server VendorBitdefender Affected before 3.3.8.249 Fixed in 3.3.8.249 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:bitdefender:gravityzone::::::::	before 3.3.8.249	Vulnerable	Bitdefender

cpe:2.3:a:bitdefender:gravityzone:*:*:*:*:*:*:*:* Versions before 3.3.8.249 Vulnerable ·Bitdefender

Remediation

Fix · CNA GravityZone Update Server (Bitdefender) Fixed in 3.3.8.249

Timeline

2026-10-02 Threatist record created from CVE-2021-3823
2026-10-03 Alias added: GHSA-pv3r-p93c-qvjx

References

Advisory 1

https://www.bitdefender.com/support/security-advisories/path-traversal-vulnerability-in-bitdefender-gravitzone-update-server-in-relay-mode-va-10039/

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