CVE-2020-8657

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Trending — 4 sources updated this weekExploited in the wild
9.8
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 92%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS
99.8%
KEV
⚠ Exploited

Published

February 6, 2020

Last Modified

November 10, 2025

Advisory Details (3)

Auto-updated Jun 1, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-8657
generic

Clés d'API prédictible/bruteforcable · Issue #17 · EyesOfNetworkCommunity/eonapi · GitHub

https://github.com/EyesOfNetworkCommunity/eonapi/issues/17
generic

Packet Storm

http://packetstormsecurity.com/files/156605/EyesOfNetwork-AutoDiscovery-Target-Command-Execution.html

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 48× in last 7d / 204× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 376 total refreshes for this CVE.

  1. 2026-07-23 01:55 UTCEG score recompute
  2. 2026-07-22 22:41 UTCEG score recompute
  3. 2026-07-22 20:46 UTCGHSA enrichment
  4. 2026-07-22 19:40 UTCCISA KEV update
  5. 2026-07-22 16:41 UTCEG score recompute
  6. 2026-07-22 16:40 UTCGHSA enrichment
  7. 2026-07-22 14:05 UTCEPSS rescore
  8. 2026-07-22 12:36 UTCGHSA enrichment
  9. 2026-07-22 08:33 UTCGHSA enrichment
  10. 2026-07-22 04:29 UTCGHSA enrichment
  11. 2026-07-22 00:21 UTCGHSA enrichment
  12. 2026-07-21 19:56 UTCGHSA enrichment
  13. 2026-07-21 15:52 UTCGHSA enrichment
  14. 2026-07-21 14:37 UTCCISA KEV update
  15. 2026-07-21 11:49 UTCGHSA enrichment
  16. 2026-07-21 07:43 UTCGHSA enrichment
  17. 2026-07-21 03:39 UTCGHSA enrichment
  18. 2026-07-20 23:35 UTCGHSA enrichment
  19. 2026-07-20 19:32 UTCGHSA enrichment
  20. 2026-07-20 15:29 UTCGHSA enrichment
  21. 2026-07-20 11:25 UTCGHSA enrichment
  22. 2026-07-20 07:22 UTCGHSA enrichment
  23. 2026-07-20 03:18 UTCGHSA enrichment
  24. 2026-07-19 23:15 UTCGHSA enrichment
  25. 2026-07-19 19:12 UTCGHSA enrichment
Show 75 more
  1. 2026-07-19 15:09 UTCGHSA enrichment
  2. 2026-07-19 11:06 UTCGHSA enrichment
  3. 2026-07-19 07:02 UTCGHSA enrichment
  4. 2026-07-19 02:58 UTCEG score recompute
  5. 2026-07-19 02:58 UTCGHSA enrichment
  6. 2026-07-19 02:26 UTCEPSS rescore
  7. 2026-07-19 02:26 UTCEPSS rescore
  8. 2026-07-18 22:54 UTCGHSA enrichment
  9. 2026-07-18 18:50 UTCGHSA enrichment
  10. 2026-07-18 14:47 UTCGHSA enrichment
  11. 2026-07-18 10:44 UTCEG score recompute
  12. 2026-07-18 10:44 UTCGHSA enrichment
  13. 2026-07-18 10:02 UTCEPSS rescore
  14. 2026-07-18 06:41 UTCGHSA enrichment
  15. 2026-07-18 02:38 UTCGHSA enrichment
  16. 2026-07-17 22:35 UTCGHSA enrichment
  17. 2026-07-17 18:32 UTCGHSA enrichment
  18. 2026-07-17 14:29 UTCGHSA enrichment
  19. 2026-07-17 10:26 UTCEG score recompute
  20. 2026-07-17 10:26 UTCGHSA enrichment
  21. 2026-07-17 06:23 UTCGHSA enrichment
  22. 2026-07-17 02:19 UTCGHSA enrichment
  23. 2026-07-16 22:15 UTCGHSA enrichment
  24. 2026-07-16 18:11 UTCGHSA enrichment
  25. 2026-07-16 17:04 UTCCISA KEV update
  26. 2026-07-16 17:00 UTCEPSS rescore
  27. 2026-07-16 14:07 UTCGHSA enrichment
  28. 2026-07-16 10:03 UTCGHSA enrichment
  29. 2026-07-16 05:59 UTCGHSA enrichment
  30. 2026-07-16 01:55 UTCGHSA enrichment
  31. 2026-07-15 21:51 UTCGHSA enrichment
  32. 2026-07-15 17:48 UTCGHSA enrichment
  33. 2026-07-15 16:49 UTCCISA KEV update
  34. 2026-07-15 15:04 UTCCISA KEV update
  35. 2026-07-15 13:43 UTCGHSA enrichment
  36. 2026-07-15 09:38 UTCGHSA enrichment
  37. 2026-07-15 05:33 UTCGHSA enrichment
  38. 2026-07-15 01:29 UTCGHSA enrichment
  39. 2026-07-14 21:26 UTCGHSA enrichment
  40. 2026-07-14 18:05 UTCCISA KEV update
  41. 2026-07-14 17:23 UTCGHSA enrichment
  42. 2026-07-14 13:20 UTCGHSA enrichment
  43. 2026-07-14 09:16 UTCGHSA enrichment
  44. 2026-07-14 05:13 UTCGHSA enrichment
  45. 2026-07-14 01:10 UTCGHSA enrichment
  46. 2026-07-13 21:07 UTCGHSA enrichment
  47. 2026-07-13 17:07 UTCCISA KEV update
  48. 2026-07-13 17:03 UTCGHSA enrichment
  49. 2026-07-13 12:59 UTCGHSA enrichment
  50. 2026-07-13 08:56 UTCGHSA enrichment
  51. 2026-07-13 04:53 UTCGHSA enrichment
  52. 2026-07-13 00:49 UTCGHSA enrichment
  53. 2026-07-12 20:44 UTCGHSA enrichment
  54. 2026-07-12 16:39 UTCGHSA enrichment
  55. 2026-07-12 12:37 UTCGHSA enrichment
  56. 2026-07-12 08:33 UTCGHSA enrichment
  57. 2026-07-12 04:29 UTCGHSA enrichment
  58. 2026-07-12 00:26 UTCGHSA enrichment
  59. 2026-07-11 20:23 UTCGHSA enrichment
  60. 2026-07-11 16:20 UTCGHSA enrichment
  61. 2026-07-11 12:16 UTCGHSA enrichment
  62. 2026-07-11 08:13 UTCGHSA enrichment
  63. 2026-07-11 04:09 UTCGHSA enrichment
  64. 2026-07-11 00:05 UTCGHSA enrichment
  65. 2026-07-10 20:02 UTCGHSA enrichment
  66. 2026-07-10 17:52 UTCCISA KEV update
  67. 2026-07-10 15:58 UTCGHSA enrichment
  68. 2026-07-10 11:54 UTCGHSA enrichment
  69. 2026-07-10 07:50 UTCGHSA enrichment
  70. 2026-07-10 03:42 UTCGHSA enrichment
  71. 2026-07-09 23:36 UTCGHSA enrichment
  72. 2026-07-09 19:33 UTCGHSA enrichment
  73. 2026-07-09 19:07 UTCEPSS rescore
  74. 2026-07-09 15:28 UTCGHSA enrichment
  75. 2026-07-09 11:25 UTCGHSA enrichment

Publicly available exploits

(3 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-48169✓ verified
    First seen Mar 5, 2020

    EyesOfNetwork - AutoDiscovery Target Command Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/linux/http/eyesofnetwork_autodiscovery_rce✓ verified
    First seen Feb 6, 2020

    EyesOfNetwork 5.1-5.3 AutoDiscovery Target Command Execution

    Open source ↗
  • Nucleihttp/cves/2020/CVE-2020-8657.yaml
    First seen Jan 1, 2020

    EyesOfNetwork - Hardcoded API Key

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2020-8657?
CVE-2020-8657 is a critical vulnerability published on February 6, 2020. An issue was discovered in EyesOfNetwork 5.3. The installation uses the same API key (hardcoded as EONAPIKEY in include/apifunctions.php for API version 2.4.2) by default for all installations, hence allowing an attacker to calculate/guess the admin access token.
When was CVE-2020-8657 disclosed?
CVE-2020-8657 was first published in the National Vulnerability Database on February 6, 2020, with the most recent update on November 10, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2020-8657 actively exploited?
Yes. CISA added CVE-2020-8657 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting EyesOfNetwork EyesOfNetwork. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2020-8657?
CVE-2020-8657 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2020-8657?
CVE-2020-8657 affects EyesOfNetwork EyesOfNetwork. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2020-8657?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-8657, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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