CVE-2025-54321: signinghub — Fix

Description

In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset password function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating reset password requests.

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CVSS v3.1 Score

9.8

CRITICAL

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

Weakness Type (CWE)

CWE-799 CWE-799

Affected Products

Vendor	Product	Versions
ascertia	signinghub	< 8.6.8

References

Advisories & Patches

https://www.ascertia.com/company/vulnerability-disclosure-policy/

Other References

https://github.com/saykino/CVE-2025-54321

Frequently Asked Questions

What is CVE-2025-54321? +

In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the reset password function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating reset password requests. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-54321? +

CVE-2025-54321 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-54321? +

CVE-2025-54321 affects products from ascertia, specifically: signinghub. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-54321? +

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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