Improper Access ControlWeakness · CWE-284

CVE-2024-45438

CRITICAL · 9.1 CVSS v3.1 Published 2025-08-21
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
100/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click

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 · unedited
An issue was discovered in TitanHQ SpamTitan Email Security Gateway 8.00.x before 8.00.101 and 8.01.x before 8.01.14. The file quarantine.php within the SpamTitan interface allows unauthenticated users to trigger account-level actions using a crafted GET request. Notably, when a non-existent email address is provided as part of the email parameter, SpamTitan will automatically create a user record and associate quarantine settings with it - all without requiring authentication.

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 confidence

The quarantine.php file in TitanHQ SpamTitan Email Security Gateway versions 8.00.x before 8.00.101 and 8.01.x before 8.01.14 contains an authentication bypass vulnerability. Attackers can send a crafted GET request with a non-existent email address to automatically create a user record and associate quarantine settings without any authentication, effectively creating unauthorized accounts in the system.

MitigationUpgrade SpamTitan to version 8.00.101 or 8.01.14 or later to apply the vendor patch. Alternatively, restrict network access to the SpamTitan management interface using firewall rules or VPN access until the upgrade can be performed.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

CVSS 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
None
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 checks

Work through these to decide whether this CVE applies to you.

  1. Determine installed SpamTitan version
    Access the SpamTitan admin interface and navigate to System > About or check the /etc/version file via CLI if you have shell access
    Affected if The version is 8.00.x before 8.00.101 OR 8.01.x before 8.01.14
  2. Verify quarantine.php is accessible
    Attempt to access the quarantine.php endpoint via HTTP/HTTPS from an unauthorized network location: curl http(s)://<hostname>/quarantine.php
    Affected if The page loads or responds without requiring authentication credentials
  3. Check for unauthorized user account creation
    Review the SpamTitan user database or admin panel for newly created user accounts, particularly those with email addresses you do not recognize
    Affected if Unexpected user accounts exist that were not created through legitimate admin processes
  4. Examine access logs for exploit patterns
    Search web server access logs (typically in /var/log/httpd or /var/log/nginx) for GET requests to quarantine.php containing non-existent email addresses, e.g., grep 'quarantine.php' access.log | grep -E '[a-zA-Z0-9]+@[a-zA-Z0-9]+\.[a-zA-Z]{2,}'
    Affected if Logs show GET requests to quarantine.php with random or unknown email addresses that resulted in HTTP 200 responses without prior authentication

You are affected if your SpamTitan version is 8.00.x before 8.00.101 or 8.01.x before 8.01.14 AND the quarantine.php endpoint is externally accessible or has been accessed without authentication.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

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.

dbcve · scoped
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Upgrade SpamTitan to version 8.00.101 or 8.01.14 or later to apply the vendor patch. Alternatively, restrict network access to the SpamTitan management interface using firewall rules or VPN access until the upgrade can be performed.

Recommended fix High confidence

8.00.101 (for 8.00.x branch) or 8.01.14 (for 8.01.x branch)

  1. Identify the currently installed SpamTitan Email Security Gateway version by checking the web interface or system information
  2. If running 8.00.x, upgrade to version 8.00.101 or later
  3. If running 8.01.x, upgrade to version 8.01.14 or later
  4. After upgrading, verify the fix by attempting to access quarantine.php without authentication - the request should be rejected
  5. Review administrator accounts to ensure no unauthorized user accounts were created during any exploitation attempts

Generated from the published advisory — verify against the referenced sources before acting.

Have this fixed Scoped from the published advisory
  • Consultation2.0 h
  • Implementation4.0 h
  • Testing8.0 h
  • Review / QA2.0 h
16.0 hours of engineering $2,680
Get help mitigating

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $4,288.

Scan for this in your stack

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-45438 in production — separate from our analysis above.

No notes yet

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What this is

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.

What belongs here
  • 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