CVE-2020-8657
CRITICALCISA KEVEPSS 100th pctlDescription
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.
How to fix
Actively exploited, no published fix found yet
CISA required action: Apply updates per vendor instructions.
Federal remediation due: 2022-05-03
Mitigation guidance may be in the linked vendor advisories in the References section below.
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CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Very high risk: more likely to be exploited than 100% of all known CVEs.
EyesOfNetwork Use of Hard-Coded Credentials Vulnerability
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.
Apply updates per vendor instructions.
Remediation due: 2022-05-03
References
Related Vulnerabilities
Other CWE-798 (Hard-coded Credentials) vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2022-26138 | Critical | 9.8 | 98% | KEV | - |
| CVE-2024-3272 | Critical | 9.8 | 98% | KEV | - |
| CVE-2019-15975 | Critical | 9.8 | 96% | - | Fix |
| CVE-2025-30406 | Critical | 9.0 | 94% | KEV | Fix |
| CVE-2024-28987 | Critical | 9.1 | 93% | KEV | Fix |
| CVE-2019-15976 | Critical | 9.8 | 93% | - | Fix |
Common questions
How do I fix CVE-2020-8657?
No published fix for CVE-2020-8657 has been found yet. It is on the CISA Known Exploited Vulnerabilities list; federal agencies must remediate by 2022-05-03. Apply the vendor's mitigations per CISA's guidance.
Is CVE-2020-8657 being actively exploited?
Yes. CVE-2020-8657 is listed in the CISA Known Exploited Vulnerabilities catalog, which means exploitation has been observed in the wild. US federal agencies were required to remediate it by 2022-05-03. Treat it as a priority whatever its CVSS score says.
How severe is CVE-2020-8657?
CVE-2020-8657 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-10.