CVE-2025-54320
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-11-18

Last updated on: 2025-11-20

Assigner: MITRE

Description
In Ascertia SigningHub through 8.6.8, there is a lack of rate limiting on the invite user function, leading to an email bombing vulnerability. An authenticated attacker can exploit this by automating invite requests.
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Meta Information
Published
2025-11-18
Last Modified
2025-11-20
Generated
2026-06-16
AI Q&A
2025-11-18
EPSS Evaluated
2026-06-15
NVD
CVE-2025-54320
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
ascertia signinghub to 8.6.8 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
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Impact Analysis

The vulnerability can be exploited to send a large volume of unwanted invitation emails to users, potentially causing disruption, annoyance, or denial of service through email flooding.

Executive Summary

This vulnerability exists in Ascertia SigningHub through version 8.6.8, where the invite user function does not have rate limiting. This allows an authenticated attacker to repeatedly send invite requests automatically, resulting in an email bombing attack.

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