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Exploited vulnerability · CISA KEV

Is CVE-2025-47813 exploited? Yes: in CISA KEV since 16 Mar 2026

Gociux · Wing FTP Server · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2025-47813, Wing FTP Server Information Disclosure Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 16 Mar 2026, 249 days after it was published. It affects Wing FTP Server. If you run it, CISA's required action is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 16 Mar 2026
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity4.3CVSS 3.1 · medium
US federal due30 Mar 2026BOD 22-01 deadline

What it is

Wing FTP Server contains a generation of error message containing sensitive information vulnerability when using a long value in the UID cookie.

VendorWing FTP Server (2 exploited CVEs in KEV)
ProductWing FTP Server
VulnerabilityWing FTP Server Information Disclosure Vulnerability
WeaknessCWE-209
Published10 Jul 2025
Added to KEV16 Mar 2026
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Wing FTP Server in your asset inventory, including appliances and cloud images. Stack check lists every exploited Wing FTP Server CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 10 Jul 2025.
  4. Get told next time. Email alerts when CISA adds a CVE for Wing FTP Server.

Other exploited CVEs in Wing FTP Server

References

Questions

Is CVE-2025-47813 being exploited?

Yes. CISA added CVE-2025-47813 to the Known Exploited Vulnerabilities catalog on 16 Mar 2026, which means there is reliable evidence of exploitation in the wild.

Is CVE-2025-47813 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2025-47813?

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Check Wing FTP Server's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Wing FTP Server and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in March 2026 · Wing FTP Server scorecard · act-now radar.

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