CVE-2021-47794 ZesleCP 3.1.9 - Remote Code Execution (RCE) (Authenticated)
Authenticated attackers can inject shell commands via FTP account creation to execute arbitrary code on ZesleCP servers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-47794?
CVE-2021-47794 is a high-severity command injection vulnerability in ZesleCP, published on 15 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ZesleCP 3.1.9 contains an authenticated remote code execution vulnerability that allows attackers to create malicious FTP accounts with shell injection payloads. Attackers can exploit the FTP account creation endpoint by injecting a reverse shell command that establishes a network connection to a specified listening host.
Weakness: CWE-78
Which versions are affected by CVE-2021-47794?
It affects 1 product.
Products include Zesle Zeslecp.
How do I fix CVE-2021-47794?
No fix has been published for CVE-2021-47794 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-47794 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-47794 exists.
Sources
Also known as GHSA-rm9q-gqw9-7hp5.