CVE-2017-5358

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 12%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

Stack-based buffer overflows in php_Easycom5_3_0.dll in EasyCom for PHP 4.0.0.29 allows remote attackers to execute arbitrary code via the server argument to the (1) i5_connect, (2) i5_pconnect, or (3) i5_private_connect API function.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
65(Track*)
EG Risk 65/100SSVC: Track*

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%
Exploitation40% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
12%
EPSS %ILE
96%
KEV
Not listed

Published

March 15, 2017

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated Sep 22, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

EasyCom For PHP 4.0.0 - Buffer Overflow (PoC) - Windows dos Exploit

https://www.exploit-db.com/exploits/41425/
generic

CVE-2017-5358 - PSIRT.COM

http://www.securityfocus.com/bid/96419
generic🟡 PoC Available

Full Disclosure: EasyCom PHP API Stack Buffer Overflow

http://seclists.org/fulldisclosure/2017/Feb/60
generic

Packet Storm Security

http://packetstormsecurity.com/files/141299/EasyCom-AS400-PHP-API-Buffer-Overflow.html
generic🟡 PoC Available
http://hyp3rlinx.altervista.org/advisories/EASYCOM-PHP-API-BUFFER-OVERFLOW.txt

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 2× in last 7d / 18× 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 131 total refreshes for this CVE.

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

Publicly available exploits

(1 reference)

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

  • Exploit-DBEDB-41425
    First seen Feb 22, 2017

    EasyCom For PHP 4.0.0 - Buffer Overflow (PoC)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2017-5358?
CVE-2017-5358 is a critical vulnerability published on March 15, 2017. Stack-based buffer overflows in phpEasycom530.dll in EasyCom for PHP 4.0.0.29 allows remote attackers to execute arbitrary code via the server argument to the (1) i5connect, (2) i5pconnect, or (3) i5private_connect API function.
When was CVE-2017-5358 disclosed?
CVE-2017-5358 was first published in the National Vulnerability Database on March 15, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-5358 actively exploited?
CVE-2017-5358 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12% probability of exploitation in the next 30 days, which ranks it in the top 4.0% of all scored CVEs.
What is the CVSS score of CVE-2017-5358?
CVE-2017-5358 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-5358?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-5358, 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.

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