CVE-2021-47794
CVE-2021-47794 is a high-severity vulnerability in Zesle Zeslecp with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v4: 8.7
- EPSS exploit prediction: 1% (56th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-3003
- Weakness: CWE-78
- Affected product: Zesle Zeslecp
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2021-47794?
- 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.
- How severe is CVE-2021-47794?
- CVE-2021-47794 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-47794 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-47794?
- CVE-2021-47794 affects Zesle Zeslecp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-47794?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2021-47794 have an EU (EUVD) identifier?
- Yes. CVE-2021-47794 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3003.
- When was CVE-2021-47794 published?
- CVE-2021-47794 was published on 2026-01-16 and last updated on 2026-06-17.
References
- https://www.exploit-db.com/exploits/50233
- https://www.vulncheck.com/advisories/zeslecp-remote-code-execution-rce-authenticated
- https://www.youtube.com/watch?v=5lTDTEBVq-0
- https://zeslecp.com/
Affected products (1)
- cpe:2.3:a:zesle:zeslecp:*:*:*:*:*:*:*:*
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