Is CVE-2020-8656 actively exploited?

Yes. KEV Intelligence tracks CVE-2020-8656 as a known exploited vulnerability. Confidence is high.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2020-8656. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

Version-level data is not available; KEV Intelligence tracks EyesOfNetwork EyesOfNetwork 5.3.

No. CVE-2020-8656 is not currently listed in CISA KEV.

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2020-8656

EyesOfNetwork 5.3 SQL Injection

EyesOfNetwork / EyesOfNetwork 5.3

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Severity: CVSS 9.8 · Critical
Confidence: High
Exploit status: Exploited in the wild
EPSS: 84.6%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2020-8656 is an unauthenticated vulnerability affecting EyesOfNetwork EyesOfNetwork 5.3. An issue was discovered in EyesOfNetwork 5.3. The EyesOfNetwork API 2.4.2 is prone to SQL injection, allowing an...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

EyesOfNetwork / EyesOfNetwork 5.3.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

An issue was discovered in EyesOfNetwork 5.3

An issue was discovered in EyesOfNetwork 5.3.

The EyesOfNetwork API 2.4.2 is prone to SQL injection, allowing an unauthenticated attacker to perform various tasks such as authentication bypass via the username field to getApiKey in include/api_functions.php.

Published: 06 Feb 2020
Exploitation Reported: 06 Feb 2020
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2020-8656
GitHub — EyesOfNetworkCommunity/eonapi github.com · CVE Record https://github.com/EyesOfNetworkCommunity/eonapi/issues/16
packetstormsecurity.com/files/156266/EyesOfNetwork-5.3-Remote-Code-E... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/156266/EyesOfNetwork-5.3-Remote-...
packetstormsecurity.com/files/156605/EyesOfNetwork-AutoDiscovery-Tar... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/156605/EyesOfNetwork-AutoDiscove...

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 06 Feb 2020

Independent exploitation attestation added to the KEV Intelligence record.

Proof of concept available

Nuclei Templates

Recorded 12 Jun 2026

Public scanner or PoC coverage increases practical exploitability.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.

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Source	Added
The Shadowserver First	2020-02-06 23:47 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

Nuclei template detected 01 Jun 2026.

View Nuclei template

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

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Scanner Artifacts

Scanner and exploit-framework references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-8656.yaml	01 Jun 2026
Metasploit	https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/http/eyesofnetwork_autodiscovery_rce.rb	28 Apr 2025

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

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

EPSS

84.6%

Weaknesses

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') CWE-89

All CVSS Scores

CVSS v3.1 9.8 Critical

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

CVSS v2.0 7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

EyesOfNetwork - Hardcoded API Key & SQL Injection

nuclei · Created Unknown

Timeline

From disclosure to observed exploitation

12 Jun 2026
Public PoC available

Public proof-of-concept code published
01 Jun 2026
Nuclei template available

Scanner coverage available
28 Apr 2025
Metasploit module available

Exploit module available
06 Feb 2020
Added to KEV Intelligence KEV Feed

High-confidence, third-party attested exploitation
06 Feb 2020
CVE published

Vulnerability disclosed publicly
06 Feb 2020
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2020-8656

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2020-8656",
  "confidence": "High",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.846,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

Early warning alerts

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