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Vulnerability record · CVE-2021-47794 · published 16 January 2026

CVE-2021-47794: Zeslecp os command injection vulnerability

Zesle · Zeslecp

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.

8.7 CVSS 4.0 High EPSS 1.0% · top 38.1% CWE-78 · OS command injection
8.7CVSS 4.0 base score
1.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.exploit-db.com/exploits/50233 ExploitThird Party Advisory
https://www.vulncheck.com/advisories/zeslecp-remote-code-execution-rce-authenticated Third Party Advisory
https://www.youtube.com/watch?v=5lTDTEBVq-0 Exploit
https://zeslecp.com/ Product

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Source: NIST National Vulnerability Database (record CVE-2021-47794), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.