CVE-2025-2245 - CVE House
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Status published Medium CVE-2025-2245

Server Side Request Forgery in GravityZone Update Server Using Null Bytes (VA-12646)

Vulnerability Description

A server-side request forgery (SSRF) vulnerability exists in the Bitdefender GravityZone Update Server when operating in Relay Mode. The HTTP proxy component on port 7074 uses a domain allowlist to restrict outbound requests, but fails to properly sanitize hostnames containing null-byte (%00) sequences. By crafting a request to a domain such as evil.com%00.bitdefender.com, an attacker can bypass the allowlist check, causing the proxy to forward requests to arbitrary external or internal systems.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Nicolas Verdier (@n1nj4sec)

References

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Affected Vendor

Bitdefender

View all reports →

Affected Software

GravityZone Update Server
Vulnerable Versions:
0

Timeline

Official Publish: April 4th, 2025
Last Modified: April 4th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

Weaknesses (CWE)

CWE-918

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1213 Data from Information Repositories
Collection
T1005 Data from Local System
Collection
T1046 Network Service Discovery
Discovery