CVE-2025-3177: fastcms — Exploit

Description

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.

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CVSS v3.1 Score

5.0

MEDIUM

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

Weakness Type (CWE)

CWE-320 CWE-320

CWE-321 CWE-321

Affected Products

Vendor	Product	Versions
fastcms_project	fastcms	All

References

Exploits

https://github.com/chujianxin0101/vuln/issues/2 https://github.com/chujianxin0101/vuln/issues/2

Other References

https://vuldb.com/?ctiid.303136 https://vuldb.com/?id.303136 https://vuldb.com/?submit.543673

Frequently Asked Questions

What is CVE-2025-3177? +

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. It has a CVSS v3.1 base score of 5.0 (MEDIUM).

How severe is CVE-2025-3177? +

CVE-2025-3177 has a CVSS v3.1 score of 5.0 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-3177? +

CVE-2025-3177 affects products from fastcms_project, specifically: fastcms. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-3177? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-3177