Which versions of Fastcms are affected by CVE-2025-3177?

CVE-2025-3177 is a low-severity vulnerability in A vulnerability (CVSS 2.3). The limited severity suggests constrained impact, typically requiring specific conditions or local access for…

Is there a public PoC exploit available for CVE-2025-3177?

Yes, a public proof-of-concept exploit is available for CVE-2025-3177. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2025-3177?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Fastcms CVE-2025-3177

Q: What is the CVSS score of CVE-2025-3177?

CVE-2025-3177 has a CVSS 4.0 base score of 2.3 (Low). CVSS vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.3%.

LOW

Key Management Errors (CWE-320)

2025-04-03 cna@vuldb.com

Information Disclosure Fastcms

2.3

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.3 LOW

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:34 vuln.today

PoC Detected

Apr 08, 2025 - 19:40 vuln.today

Public exploit code

CVE Published

Apr 03, 2025 - 20:15 nvd

LOW 2.3

DescriptionCVE.org

A vulnerability was found in FastCMS 0.1.5. It has been declared as critical. This vulnerability affects unknown code of the component JWT Handler. The manipulation leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

AnalysisAI

A vulnerability was found in FastCMS 0.1.5. Rated low severity (CVSS 2.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-320. A vulnerability was found in FastCMS 0.1.5. It has been declared as critical. This vulnerability affects unknown code of the component JWT Handler. The manipulation leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Affected products include: Fastcms Project Fastcms.

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.

CVE-2025-3177 vulnerability details – vuln.today

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