CVE-2025-54320

Published Nov 18, 2025 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ascertia:signinghub:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Ascertia
Ascertia signinghub
Vendors & Products Ascertia
Ascertia signinghub
Type Values Removed Values Added
Weaknesses CWE-770
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 19, 2025, 1:32 PM
Reserved
Jul 20, 2025, 12:00 AM
Status
Analyzed
Published
Nov 18, 2025, 7:15 PM
Modified
Nov 5, 2026, 2:10 PM