CVEs / CVE-2025-47813
CVE-2025-47813: Wing FTP Server Information Disclosure Vulnerability
- Known exploited in the CISA KEV catalog since 16 Mar 2026
- medium 4.3 CVSS 3.1 (from the CNA)
- EPSS 62.5% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2025-47813
Summary
Wing FTP Server contains a generation of error message containing sensitive information vulnerability when using a long value in the UID cookie.
Description
loginok.html in Wing FTP Server before 7.4.4 discloses the full local installation path of the application when using a long value in the UID cookie.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| wftpserver Wing FTP Server | before 7.4.4 | 7.4.4 |
Exploitation
| In CISA KEV since | 16 Mar 2026 |
|---|---|
| Due date for US federal agencies | 30 Mar 2026 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 4.3 mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-209 |
References
- CVE-2025-47813 on NVD
- CVE-2025-47813 in the CISA KEV catalog
- https://www.wftpserver.com/serverhistory.htm (cited by CISA)
- https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-47813.txt Exploit, Third Party Advisory
- https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ Exploit, Third Party Advisory
- https://www.wftpserver.com Product
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47813 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.