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Vulnerability record · CVE-2021-27513 · published 22 February 2021

CVE-2021-27513: Eyesofnetwork unrestricted file upload vulnerability

EEyesofnetwork · Eyesofnetwork

The module admin_ITSM in EyesOfNetwork 5.3-10 allows remote authenticated users to upload arbitrary .xml.php files because it relies on "le filtre userside."

8.8 CVSS 3.1 High EPSS 28% · top 1.9% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score, v2 6.5
28%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

The module admin_ITSM in EyesOfNetwork 5.3-10 allows remote authenticated users to upload arbitrary .xml.php files because it relies on "le filtre userside."

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://github.com/ArianeBlow/exploit-eyesofnetwork5.3.10/blob/main/PoC-BruteForceID-arbitraty-file-upload-RCE-PrivEsc.p ExploitThird Party Advisory
https://github.com/EyesOfNetworkCommunity/eonweb/issues/87 PatchThird Party Advisory
https://github.com/ArianeBlow/exploit-eyesofnetwork5.3.10/blob/main/PoC-BruteForceID-arbitraty-file-upload-RCE-PrivEsc.p ExploitThird Party Advisory
https://github.com/EyesOfNetworkCommunity/eonweb/issues/87 PatchThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2020-8657EyesOfNetwork hardcoded API key allows admin token forgeryEyesOfNetwork 5.3 ships with a hardcoded API key (EONAPI_KEY in include/api_functions.php for API version 2.4.2) that is identical across all install…KEVEPSS 92%analysed7.8CVE-2020-8655EyesOfNetwork sudoers misconfiguration allows apache-to-root privilege escalationEyesOfNetwork 5.3 ships a sudoers configuration that lets the apache user run arbitrary commands as root through a crafted NSE script for nmap 7. Bec…KEVEPSS 60%analysed9.8CVE-2022-41572Eyesofnetwork incorrect default permissions vulnerabilityAn issue was discovered in EyesOfNetwork (EON) through 5.3.11. Privilege escalation can be accomplished on the server because nmap can be run as root…EPSS 0.59%9.8CVE-2022-41570Eyesofnetwork sql injection vulnerabilityAn issue was discovered in EyesOfNetwork (EON) through 5.3.11. Unauthenticated SQL injection can occur.EPSS 0.79%9.8CVE-2022-41571Eyesofnetwork vulnerabilityAn issue was discovered in EyesOfNetwork (EON) through 5.3.11. Local file inclusion can occur.EPSS 1.1%9.8CVE-2021-40643Eyesofnetwork vulnerabilityEyesOfNetwork before 07-07-2021 has a Remote Code Execution vulnerability on the mail options configuration page. In the location of the "sendmail" a…EPSS 2.9%9.8CVE-2021-27514Eyesofnetwork improper restriction of authentication attempts vulnerabilityEyesOfNetwork 5.3-10 uses an integer of between 8 and 10 digits for the session ID, which might be leveraged for brute-force authentication bypass (s…EPSS 3.5%9.8CVE-2020-27886Eyesofnetwork sql injection vulnerabilityAn issue was discovered in EyesOfNetwork eonweb 5.3-7 through 5.3-8. The eonweb web interface is prone to a SQL injection, allowing an unauthenticate…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2021-27513), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.