VDB-333024 · CVE-2025-51663 · ID 350

FileCodeBox up to 2.2 Header X-Real-IP/X-Forwarded-For excessive authentication

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in FileCodeBox up to 2.2. It has been declared as problematic. Affected is an unknown function of the component Header Handler. The manipulation of the argument X-Real-IP/X-Forwarded-For results in excessive authentication. This vulnerability is cataloged as CVE-2025-51663. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in FileCodeBox up to 2.2. It has been classified as problematic. Affected is some unknown processing of the component Header Handler. The manipulation of the argument X-Real-IP/X-Forwarded-For with an unknown input leads to a excessive authentication vulnerability. CWE is classifying the issue as CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. This is going to have an impact on confidentiality. CVE summarizes:

A vulnerability found in IPRateLimit implementation of FileCodeBox up to 2.2 allows remote attackers to bypass ip-based rate limit protection and failed attempt restrictions by faking X-Real-IP and X-Forwarded-For HTTP headers. This can enable attackers to perform DoS attacks or brute force share codes.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-51663 since 06/16/2025. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1110.001.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

FileCodeBox

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.6

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/16/2025 CVE reserved
11/19/2025 +156 days Advisory disclosed
11/19/2025 +0 days VulDB entry created
11/19/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: 350
Status: Not defined

CVE: CVE-2025-51663 (🔒)
GCVE (CVE): GCVE-0-2025-51663
GCVE (VulDB): GCVE-100-333024

Entryinfo

Created: 11/19/2025 21:32
Changes: 11/19/2025 21:32 (54)
Complete: 🔍
Cache ID: 216::103