CVE-2017-9846 — Winmail Server 6

Winmail Server 6.1 allows remote code execution by authenticated users who leverage directory traversal in a netdisk.php move_folder_file call to move a .php file from the FTP folder into a web folder.

01What is this vulnerability?

Winmail Server 6.1 allows remote code execution by authenticated users who leverage directory traversal in a netdisk.php move_folder_file call to move a .php file from the FTP folder into a web folder.

02Affected products

No structured affected-product list available — see references below for vendor advisories.

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2017-06-24T17:29:00.180
• Last modified: 2026-05-13T00:24:29.033

09References

• www.magicwinmail.com — http://www.magicwinmail.com/changelog.php
• github.com — https://github.com/zhonghaozhao/winmail/issues/1
• www.magicwinmail.com — http://www.magicwinmail.com/changelog.php
• github.com — https://github.com/zhonghaozhao/winmail/issues/1