CVE-2025-54321
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIn 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.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceAscertia SigningHub through version 8.6.8 lacks rate limiting on the password reset endpoint, allowing authenticated attackers to programmatically submit unlimited password reset requests. This results in a mass email bombing attack where the victim's inbox is flooded with password reset emails.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data<= 8.6.8CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify SigningHub installationLocate the Ascertia SigningHub application files or check running services. Look for installation directories, web application files, or service processes related to SigningHub.Affected if SigningHub is installed and accessible in the environment
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Determine installed versionCheck the SigningHub version by accessing the application admin interface, examining version files in the installation directory, or querying the application's /about or /version endpoint if available.Affected if The installed version is 8.6.8 or any earlier version (anything <= 8.6.8)
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Verify password reset endpoint accessibilityAccess the password reset functionality through the web interface or API endpoint (typically /forgotpassword, /reset-password, or similar). Attempt to submit a password reset request to confirm the endpoint is exposed.Affected if The password reset endpoint is accessible without authentication or with valid user credentials
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Test for rate limiting on password resetProgrammatically or manually submit multiple password reset requests (10-20+) in quick succession using different or the same email address. Monitor whether requests are throttled, blocked, or challenged with CAPTCHA after a certain number of attempts.Affected if No rate limiting, CAPTCHA, or request throttling is enforced - all requests are processed without blocking or challenge
A user is affected if they are running SigningHub version 8.6.8 or earlier AND the password reset endpoint accepts unlimited requests without rate limiting or bot mitigation.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataImplement rate limiting with configurable thresholds on the password reset endpoint, combined with CAPTCHA or similar bot mitigation to prevent automated abuse. Additionally, implement email throttling per user account.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA3.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2025-54321 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2025-54321 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data