CVE-2017-16513 — Ipswitch WS_FTP Professional before 12

Ipswitch WS_FTP Professional before 12.6.0.3 has buffer overflows in the local search field and the backup locations field, aka WSCLT-1729.

01What is this vulnerability?

Ipswitch WS_FTP Professional before 12.6.0.3 has buffer overflows in the local search field and the backup locations field, aka WSCLT-1729.

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: 2017-11-03T15:29:00.187
• Last modified: 2026-05-13T00:24:29.033

09References

• docs.ipswitch.com — https://docs.ipswitch.com/WS_FTP126/ReleaseNotes/English/index.htm
• www.7elements.co.uk — https://www.7elements.co.uk/resources/technical-advisories/ipswitch-ws_ftp-profe…
• www.exploit-db.com — https://www.exploit-db.com/exploits/43115/
• docs.ipswitch.com — https://docs.ipswitch.com/WS_FTP126/ReleaseNotes/English/index.htm
• www.7elements.co.uk — https://www.7elements.co.uk/resources/technical-advisories/ipswitch-ws_ftp-profe…
• www.exploit-db.com — https://www.exploit-db.com/exploits/43115/