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
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 92%CVSS: 9.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 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 PROB
92%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

February 6, 2020

Last Modified

November 10, 2025

Advisory Details (3)

Auto-updated Sep 17, 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 Security

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 50× in last 7d / 215× 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 773 total refreshes for this CVE.

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

Explore the affected products and dependency analysis for CVE-2020-8657

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