What’s Vulnerable › Vulnerabilities

CVE-2020-8634

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-03-07 · updated 2026-06-17
• Weakness: CWE-281

Description

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.

Affected products

• Wing FTP Server: 6.2.3

References

• https://www.hooperlabs.xyz/disclosures/cve-2020-8635.php
• https://www.hooperlabs.xyz/disclosures/cve-2020-8635.php

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