Vulnerability · CVE-2020-8657
EyesOfNetwork Use of Hard-Coded Credentials Vulnerability
Published Feb 6, 2020 · catalog updated Jun 16, 2026 · EyesOfNetwork EyesOfNetwork
Patch now
CVE-2020-8657 is in the CISA known-exploited catalog, due May 3, 2022. Confirm EyesOfNetwork EyesOfNetwork against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- Critical9.8
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 91.87%
- Remediation
- Remediation guidance
- Affected products
- cpe eyesofnetwork/eyesofnetwork · vendor EyesOfNetwork EyesOfNetwork
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe eyesofnetwork/eyesofnetwork5.3-0
- vendor EyesOfNetwork EyesOfNetworkversion unspecified
How to fix CVE-2020-8657
Recommended remediation
Apply updates per vendor instructions. CISA due date May 3, 2022.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2020-8657 is in the CISA known-exploited catalog, due May 3, 2022. Confirm EyesOfNetwork EyesOfNetwork against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with 5.3-0. Apply updates per vendor instructions.
What should an analyst verify?
CWE-798: Use of Hard-coded Credentials. EPSS 91.87%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Feb 6, 2020 · Catalog
Detected
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.
Nov 3, 2021 · CISA KEV
Known exploited
Apply updates per vendor instructions.
May 3, 2022 · CISA KEV
Remediation due
Apply updates per vendor instructions.
Jun 16, 2026 · Catalog
Updated
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.
Sources
- CISA KEVConfirmed exploitationCVE-2020-8657
EyesOfNetwork contains a use of hard-coded credentials vulnerability, as it uses the same API key by default. Exploitation allows an attacker to calculate or guess the admin access token.
cisa.gov - CVE.orgVulnerability recordCVE-2020-8657
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2020-8657
30-day exploitation probability 91.9%
first.org - Exploit DatabasePublic exploit reference48169
Public archive entry. The exploit body is not stored here.
exploit-db.com - Metasploit ModulesPublic exploit moduleexploit_linux/http/eyesofnetwork_autodiscovery_rce
Public module reference (excellent). Module source is not copied into this catalog.
rapid7.com - NIST NVDVulnerability recordCVE-2020-8657
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.
nvd.nist.gov - Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/156605/EyesOfNetwork-AutoDiscovery-Target-Command-Execution.html
Packet Storm link already published on the finding.
packetstormsecurity.com - VulnCheck KEVConfirmed exploitationCVE-2020-8657
EyesOfNetwork contains a use of hard-coded credentials vulnerability, as it uses the same API key by default. Exploitation allows an attacker to calculate or guess the admin access token.
vulncheck.com
References
- Exploit · packetstormsecurity.com
- VulnCheck exploitation evidence · app.crowdsec.net
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- Third Party Advisory · github.com
- CISA note · nvd.nist.gov
- US Government Resource · cisa.gov
- VulnCheck exploitation evidence · cisa.gov
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.