Insecure Storage of Web Transfer Credentials in Progress WS_FTP Server
- Exploited
- No known exploitation
- Fix
- Fixed in 2025.0.5
- Who is exposed
- Specific setups only
Do first: Upgrade to a fixed version: 2025.0.5.
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 12/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Specific setups only
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Progress WS_FTP Server on Windows can leave sensitive user credentials and session data in a temporary file during file transfers. An attacker with local access and low-privilege login can read that data, which exposes credentials and session information.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
Progress Software WS_FTP Server versions prior to 2025.0.5 on Windows may write sensitive user credential and session data to a temporary file during file transfer operations.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure5/25Specific setups only
- Reach?/20Unknown. No tracked technology or package matched
- Severity7.1/10CVSS 7.1
- No patch0/5No signal
What would change the score
- Would score about 62 if added to CISA KEV
- Would score about 57 if CISA's SSVC rates exploitation active
- Would score about 22 if CISA's SSVC rates it automatable
What to do
Upgrade to a fixed version: 2025.0.5.
Workaround: Shorten the XFT session timeout where practical, and restrict the Ad Hoc Transfer endpoint to trusted networks if external access is not required.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- Progress Software WS_FTP Server
fixed in 2025.0.5
Evidence 1
- Advisory
Corrections
None so far.
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Questions about CVE-2026-115340
Is CVE-2026-115340 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-115340?
WS_FTP Server: before 2025.0.5.Source: cve.now feed data
How do I fix CVE-2026-115340?
Upgrade WS_FTP Server to version 2025.0.5 or later, since all earlier versions from 0 up to that release are listed as affected. The facts do not name a separate fixed build, so the stated fixed version is the upgrade target.Source: cve.org