CVE-2023-40045 — In WS_FTP Server versions prior to 8

In WS_FTP Server versions prior to 8.7.4 and 8.8.2,

01What is this vulnerability?

In WS_FTP Server versions prior to 8.7.4 and 8.8.2,

02Affected products

Vendor	Product	Versions
Progress Software Corporation	WS_FTP Server	8.8.0, 8.7.0

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

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

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: 2023-09-27T14:49:45.334Z
• Last modified: 2024-09-24T14:25:59.931Z

09References

• www.progress.com — https://www.progress.com/ws_ftp
• community.progress.com — https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-Se…