CVE-2017-7185

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 12%CVSS: 7.5Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

Use-after-free vulnerability in the mg_http_multipart_wait_for_boundary function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.7 and earlier and Mongoose OS 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a multipart/form-data POST request without a MIME boundary string.

CVSS v3
7.5
EG Score
7.5HIGHmedium confidence
EG Risk
54
EG Risk 54/100CISA 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
Severity75% × 45%
Exploitation40% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
12%
EPSS %ILE
96th
KEV
Not listed

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

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

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

April 10, 2017

Last Modified

June 17, 2026

References (12)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 23× 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 169 total refreshes for this CVE.

  1. 2026-10-05 17:39 UTCEPSS rescore
  2. 2026-10-04 23:18 UTCEPSS rescore
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  6. 2026-09-30 09:39 UTCEG score recompute
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  6. 2026-08-30 15:21 UTCOSV refresh
  7. 2026-08-28 21:36 UTCEPSS rescore
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  31. 2026-07-29 08:33 UTCOSV refresh
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  35. 2026-07-23 14:15 UTCEPSS rescore
  36. 2026-07-23 01:30 UTCEG score recompute
  37. 2026-07-22 22:10 UTCEG score recompute
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  55. 2026-07-12 05:43 UTCEPSS rescore
  56. 2026-07-12 00:52 UTCOSV refresh
  57. 2026-07-11 08:24 UTCEPSS rescore
  58. 2026-07-09 19:06 UTCEPSS rescore
  59. 2026-07-07 13:42 UTCEPSS rescore
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  67. 2026-07-02 16:54 UTCEPSS rescore
  68. 2026-07-01 15:03 UTCEPSS rescore
  69. 2026-06-30 23:19 UTCEPSS rescore
  70. 2026-06-30 23:19 UTCEPSS rescore
  71. 2026-06-29 14:03 UTCEPSS rescore
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  73. 2026-06-28 04:53 UTCEPSS rescore
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  75. 2026-06-27 03:06 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-41826
    First seen Apr 6, 2017

    Cesanta Mongoose OS - Use-After-Free

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2017-7185?
CVE-2017-7185 is a high vulnerability published on April 10, 2017. Use-after-free vulnerability in the mghttpmultipartwaitfor_boundary function in mongoose.c in Cesanta Mongoose Embedded Web Server Library 6.7 and earlier and Mongoose OS 1.2 and earlier allows remote attackers to cause a denial of service (crash) via a multipart/form-data POST request without a…
When was CVE-2017-7185 disclosed?
CVE-2017-7185 was first published on April 10, 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-2017-7185 actively exploited?
CVE-2017-7185 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12% probability of exploitation in the next 30 days (96th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-7185?
CVE-2017-7185 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2017-7185?
A fix for CVE-2017-7185 is available: update to the fixed version the vendor names in its advisory.

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