CVE-2021-3823 | BDVDB-2026-163371 Detail

BitdefenderGravityZone Update Server

Description#

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: local.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

References#

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

Exploit#

No public exploit known

History#

Version 12021-10-28Record published in the CVE List.
Version 22024-09-16Most recent update recorded in the CVE List.

Published

Published: 2021-10-28
Last modified: 2024-09-16

Vendor information

Vendor: Bitdefender
Product: GravityZone Update Server

All Bitdefender vulnerabilities

Score

7.1 High

EPSS

1.0%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 64.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 3.3.8.249
Fixed
3.3.8.249

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.1 High

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

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).