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Eyesofnetwork CVE-2020-8657

CRITICAL
Use of Hard-coded Credentials (CWE-798)
2020-02-06 cve@mitre.org
9.8
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Credential externalization
MITRE ATT&CK

2 techniques across 2 tactics: Persistence, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

A remote attacker could gain access using credentials embedded in source code by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Emergency Immediate action required. Why: CRITICAL + in CISA KEV (actively exploited), no patch available.
Exploited in the wild (CISA KEV) No patch listed yet 91.9% exploitation probability (EPSS)

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AnalysisAI

An issue was discovered in EyesOfNetwork 5.3. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. 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. Affected products include: Eyesofnetwork. Version information: version 2.4.2.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Added to CISA KEV
Jul 14, 2026 - 04:22 CISA
CVE Published
Feb 06, 2020 - 18:15 nvd
CRITICAL 9.8

DescriptionNVD

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.

Threat Intelligence Overview

EPSS Score
91.9%
Top 0% exploitable
Exploit
POC
Public exploit code exists
Data Quality
5 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV Yes
Public POC Yes
EPSS 91.9%
Patch available No
Active threat Yes
Deciding rule
CRITICAL + in CISA KEV (actively exploited), no patch available
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Immediate
Exploitation· derived
Active
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact· derived
High

Priority Score

226
Low Medium High Critical
KEV: +50
EPSS: +92
CVSS: +49
PoC: +20
Weaponized: +15
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:eyesofnetwork:eyesofnetwork:5.3-0:*:*:*:*:*:*:*
CVE-2020-9465 CRITICAL POC
9.8 Feb 28

An issue was discovered in EyesOfNetwork eonweb 5.1 through 5.3 before 5.3-3. Rated critical severity (CVSS 9.8), this v

CVE-2020-8656 CRITICAL POC
9.8 Feb 07

An issue was discovered in EyesOfNetwork 5.3. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploit

CVE-2020-8654 HIGH POC
8.8 Feb 07

An issue was discovered in EyesOfNetwork 5.3. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable

CVE-2017-1000060 CRITICAL POC
9.8 Jul 17

EyesOfNetwork (EON) 5.1 Unauthenticated SQL Injection in eonweb leading to remote root. Rated critical severity (CVSS 9.

CVE-2020-8655 HIGH POC
7.8 Feb 07

An issue was discovered in EyesOfNetwork 5.3. Rated high severity (CVSS 7.8), this vulnerability is no authentication re

CVE-2017-14403 CRITICAL POC
9.8 Sep 13

The EyesOfNetwork web interface (aka eonweb) 5.1-0 has SQL injection via the term parameter to module/admin_group/search

CVE-2017-14402 CRITICAL POC
9.8 Sep 13

The EyesOfNetwork web interface (aka eonweb) 5.1-0 has SQL injection via the user_name parameter to module/admin_user/ad

CVE-2017-14401 CRITICAL POC
9.8 Sep 13

The EyesOfNetwork web interface (aka eonweb) 5.1-0 has SQL injection via the user_name parameter to module/admin_user/ad

CVE-2017-14252 CRITICAL POC
9.8 Sep 11

SQL Injection exists in the EyesOfNetwork web interface (aka eonweb) 5.1-0 via the group_id cookie to side.php. Rated cr

CVE-2017-14247 CRITICAL POC
9.8 Sep 11

SQL Injection exists in the EyesOfNetwork web interface (aka eonweb) 5.1-0 via the user_id cookie to header.php, a relat

CVE-2021-27514 CRITICAL POC
9.8 Feb 22

EyesOfNetwork 5.3-10 uses an integer of between 8 and 10 digits for the session ID, which might be leveraged for brute-f

CVE-2017-14119 HIGH POC
8.8 Sep 03

In the EyesOfNetwork web interface (aka eonweb) 5.1-0, module\tool_all\tools\snmpwalk.php does not properly restrict pop

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