CVE-2014-8356

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 5.6% (92nd percentile of EPSS-scored CVEs). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.8EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 5.6%CVSS: 8.8Exploit: Elevated riskExposed services: Not assessed

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

The web administrative portal in Zhone zNID 2426A before S3.0.501 allows remote authenticated users to bypass intended access restrictions via a modified server response, related to an insecure direct object reference.

CVSS v3
8.8
EG Score
8.8HIGHmedium confidence
EG Risk
60
EG Risk 60/100CISA SSVC

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
Severity88% × 45%
Exploitation40% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
5.6%
EPSS %ILE
92nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

November 21, 2019

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Aug 7, 2026
🔬 Proof of concept available. No fix on record yet.
generic🟡 PoC Available

ZHONE < S3.0.501 - Multiple Vulnerabilities - Hardware remote Exploit

https://www.exploit-db.com/exploits/38453/
generic

Packet Storm Security

http://packetstormsecurity.com/files/133921/Zhone-Insecure-Reference-Password-Disclosure-Command-Injection.html
generic

Full Disclosure: Vantage Point Security Advisory 2015-002

http://seclists.org/fulldisclosure/2015/Oct/57

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 21× 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 139 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

Public exploit code is referenced for this CVE (1 Exploit-DB entry). Defenders should treat patch urgency accordingly.

  • Exploit-DBEDB-38453
    Published Oct 13, 2015

    ZHONE < S3.0.501 - Multiple Vulnerabilities

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2014-8356?
CVE-2014-8356 is a high vulnerability published on November 21, 2019. The web administrative portal in Zhone zNID 2426A before S3.0.501 allows remote authenticated users to bypass intended access restrictions via a modified server response, related to an insecure direct object reference.
When was CVE-2014-8356 disclosed?
CVE-2014-8356 was first published on November 21, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2014-8356 actively exploited?
CVE-2014-8356 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.6% probability of exploitation in the next 30 days (92nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2014-8356?
CVE-2014-8356 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2014-8356?
No fix for CVE-2014-8356 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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