Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files…
Priority LOW 34CWE-281Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on files modified within the HTTP file management interface, resulting in files being saved with world-readable and world-writable permissions. If a sensitive system file were edited this way, a low-privilege user may escalate privileges to root.
Why it matters now
EPSS 0.00426 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wftpserver:wing_ftp_server:6.2.3:*:*:*:*:linux:*:* | 6.2.3 | Vulnerable | Wing FTP Server |
| cpe:2.3:a:wftpserver:wing_ftp_server:6.2.3:*:*:*:*:macos:*:* | 6.2.3 | Vulnerable | Wing FTP Server |
| cpe:2.3:a:wftpserver:wing_ftp_server:6.2.3:*:*:*:*:solaris:*:* | 6.2.3 | Vulnerable | Wing FTP Server |
- cpe:2.3:a:wftpserver:wing_ftp_server:6.2.3:*:*:*:*:linux:*:* Versions 6.2.3 Vulnerable ·Wing FTP Server
- cpe:2.3:a:wftpserver:wing_ftp_server:6.2.3:*:*:*:*:macos:*:* Versions 6.2.3 Vulnerable ·Wing FTP Server
- cpe:2.3:a:wftpserver:wing_ftp_server:6.2.3:*:*:*:*:solaris:*:* Versions 6.2.3 Vulnerable ·Wing FTP Server
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-8634
- 2026-10-03 Alias added: GHSA-h98j-87f6-38m2
References
More Wing Ftp Server vulnerabilities
- TI-2025-30265 In Wing FTP Server before 7.4.4. KEVCVSS 3.1CRITICAL 10.0
- TI-2025-30266 Information disclosure through error messages in Wing FTP Server KEVCVSS 3.1MEDIUM 4.3
- TI-2020-19167 Wing FTP Server 6.3.8 - Remote Code Execution CVSS 4.0HIGH 8.6
- TI-2019-15321 Wing FTP Server 6.0.7 - Unquoted Service Path CVSS 4.0HIGH 8.5
- TI-2025-20621 Wing FTP Server before 7.4.4 does not properly validate and sanitize the url parameter of… CVSS 3.1HIGH 8.8
- TI-2025-04662 Wing FTP Server Lua Admin Console unnecessary privileges CVSS 4.0HIGH 7.5
Sources
- CVE-2020-8634 · CVE Program
- CVE-2020-8634 · NVD
- FIRST EPSS
- GHSA-h98j-87f6-38m2 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences