CVE-2020-8635 Misconfiguration in n/a
Local attackers can escalate privileges and execute code by exploiting insecure file permissions on Wing FTP Server installation directories.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8635?
CVE-2020-8635 is a high-severity vulnerability in n/a, published on 6 Mar 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Wing FTP Server v6.2.3 for Linux, macOS, and Solaris sets insecure permissions on installation directories and configuration files. This allows local users to arbitrarily create FTP users with full privileges, and escalate privileges within the operating system by modifying system files.
Weakness: CWE-732
Which versions are affected by CVE-2020-8635?
It affects 1 product.
Products include Wftpserver Wing Ftp Server.
How do I fix CVE-2020-8635?
No fix has been published for CVE-2020-8635 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-8635 being exploited?
There is no known exploitation of CVE-2020-8635 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
- CVE-2025-47812 Wing FTP Server Improper Neutralization of Null Byte or NUL Character
- CVE-2025-47813 Wing FTP Server Information Disclosure
- CVE-2026-44403 Wing FTP Server < 8.1.3 Authenticated Remote Code Execution via Session Serialization
- CVE-2020-37032 Wing FTP Server 6.3.8 - Remote Code Execution
- CVE-2019-25267 Wing FTP Server 6.0.7 - Unquoted Service Path
Sources
Also known as GHSA-m4qv-p2xf-7g7f.