# CVE-2020-8657: EyesOfNetwork Use of Hard-Coded Credentials Vulnerability

> CVE-2020-8657: EyesOfNetwork Use of Hard-Coded Credentials Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2020-8657
Last updated: 2025-10-21T23:35:52Z

- Published: 2020-02-06 17:48 UTC · Updated: 2025-10-21 23:35 UTC · Assigner: mitre
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 91.9%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2021-11-03, federal due date 2022-05-03, ransomware use: Unknown

## Description

An issue was discovered in EyesOfNetwork 5.3. The installation uses the same API key (hardcoded as EONAPI\_KEY in include/api\_functions.php for API version 2.4.2) by default for all installations, hence allowing an attacker to calculate/guess the admin access token.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- EyesOfNetwork: EyesOfNetwork

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2020-8657)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2020-8657)
- [http://packetstormsecurity.com/files/156605/EyesOfNetwork-AutoDiscovery-Target-Command-Execution.html](http://packetstormsecurity.com/files/156605/EyesOfNetwork-AutoDiscovery-Target-Command-Execution.html)
- [https://github.com/EyesOfNetworkCommunity/eonapi/issues/17](https://github.com/EyesOfNetworkCommunity/eonapi/issues/17)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2020-8657 · Markdown: https://rewindex.com/cve/CVE-2020-8657.md · JSON: https://rewindex.com/api/v1/cves/CVE-2020-8657 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:05:43.603Z