What is the CVSS score of CVE-2025-51663?

CVE-2025-51663 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.2%.

Which versions of Filecodebox are affected by CVE-2025-51663?

Organizations using IPRateLimit implementation of FileCodeBox face notable risk from CVE-2025-51663 rated CVSS 7.5. Exploitation could compromise the security of affected deployments.

Is there a public PoC exploit available for CVE-2025-51663?

Yes, a public proof-of-concept exploit is available for CVE-2025-51663. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-51663?

Within 30 days: Identify all affected systems running IPRateLimit implementation of FileCodeBox and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Filecodebox CVE-2025-51663

HIGH

Authentication Bypass by Primary Weakness (CWE-305)

2025-11-19 cve@mitre.org

Authentication Bypass Filecodebox Lanol

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:23 vuln.today

PoC Detected

Nov 24, 2025 - 19:29 vuln.today

Public exploit code

CVE Published

Nov 19, 2025 - 20:15 nvd

HIGH 7.5

DescriptionCVE.org

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.

AnalysisAI

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. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-305. 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. Affected products include: Lanol Filecodebox. Version information: up to 2.2.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.