SlmailApplication · Seattlelab

CVE-2023-4593

MEDIUM · 6.5 CVSS v3.1 Published 2023-11-23
Mitigation only
No fix yet — a mitigation exists. There is no fixed release. A documented workaround reduces exposure in the meantime.
See remediation →
71/100
Remediation priority · Elevated
Remotely reachable 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
Path traversal vulnerability whose exploitation could allow an authenticated remote user to bypass SecurityManager's intended restrictions and list a parent directory via any filename, such as a multiple ..%2F value affecting the 'dodoc' parameter in the /MailAdmin_dll.htm file.

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 · moderate confidence

Path traversal vulnerability in /MailAdmin_dll.htm where the 'dodoc' parameter accepts encoded directory traversal sequences (multiple ..%2F values), allowing authenticated remote users to bypass SecurityManager restrictions and access parent directories.

MitigationImplement strict input validation and path normalization on the 'dodoc' parameter to prevent traversal sequences, ensuring paths are constrained to allowed directories and rejecting any input containing encoded or raw path traversal characters.

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
SlmailApplication
Affected:= 5.5.0.4433

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
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

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. Locate Slmail installation and verify version
    Search for Slmail installation directories (common paths: C:\Program Files\Slmail, C:\Slmail) and check the executable or DLL version properties against 5.5.0.4433
    Affected if Slmail version is exactly 5.5.0.4433 and the program is installed
  2. Confirm MailAdmin_dll.htm exists
    Check for the presence of MailAdmin_dll.htm in the web root or admin directory of the Slmail installation (typically in a /mailadmin or /admin folder)
    Affected if MailAdmin_dll.htm file exists in the Slmail web directory
  3. Verify web admin interface is accessible
    Attempt to access the MailAdmin_dll.htm page via HTTP/HTTPS on the port Slmail web service runs (commonly port 8888, 8080, or 80)
    Affected if The web admin page is reachable over the network
  4. Check if admin authentication is configured
    Inspect Slmail configuration files (slmail.ini, config.xml, or registry entries) for admin account settings and authentication status
    Affected if An admin account exists and authentication is enabled for the web interface
  5. Look for indicators of traversal access attempts
    Review Slmail logs, web server logs, and system event logs for evidence of directory traversal patterns (multiple %2F, .. sequences) in requests to the dodoc parameter
    Affected if Log entries show traversal sequences in requests to MailAdmin_dll.htm

You are affected if Seattlelab Slmail version 5.5.0.4433 is installed, the MailAdmin_dll.htm web admin interface is exposed, and the system is network-accessible to authenticated users.

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.

From vendor data
Mitigation available No clean upgrade yet — mitigate in the meantime
Mitigation

Implement strict input validation and path normalization on the 'dodoc' parameter to prevent traversal sequences, ensuring paths are constrained to allowed directories and rejecting any input containing encoded or raw path traversal characters.

Fix this in Slmail Scoped from the published advisory
  • Consultation3.0 h
  • Implementation6.0 h
  • Testing4.0 h
  • Review / QA2.0 h
15.0 hours of engineering $2,640
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Scan for this in your stack

Free · runs locally
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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-2023-4593 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