Wing FTP Server: Insecure Storage of Sensitive Information
CVE-2023-37879 is a high-severity insecure storage of sensitive information vulnerability in Wing FTP Server, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected Wing FTP Server versions: <= 7.2.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.53% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Wing FTP Server you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on wftpserver.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Wing FTP Server | Wing FTP Server | <= 7.2.0 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 6.5 | Medium | CNA (ncsc.ch) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
Insecure storage of sensitive information in Wing FTP Server (User Web Client) allows information elicitation.This issue affects Wing FTP Server: <= 7.2.0.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Insecure Storage of Sensitive Information
The product stores sensitive information without properly limiting read or write access by unauthorized actors.
More Insecure Storage of Sensitive Information vulnerabilities (CWE-922)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Advisories
- wftpserver.com/serverhistory.htmRelease Notes
Other vulnerabilities in Wing FTP Server
- 7.2 High severity
Recent Insecure Storage of Sensitive Information vulnerabilities
- 7.8 High severity
- 7.5 High severity
- 7.8 High severity
- 7.8 High severity
- 9.8 Critical severity
- 7.8 High severity
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