THREATPORT/VULNERABILITY/CVE-2017-11517
CRITICAL SEVERITY

CVE-2017-11517

Gcore vulnerability

CVSS
9.8
EPSS
29.1%
EPSS pct
98th
Exploited
No known
Stack-based buffer overflow in GCoreServer.exe in the server in Geutebrueck Gcore 1.3.8.42 and 1.4.2.37 allows remote attackers to execute arbitrary code via a long URI in a GET request.
Affected vendor
Geutebrueck
Affected product
Gcore
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2017-07-21

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 29.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2017-11517

  • Confirm whether Geutebrueck Gcore is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-11517.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-11517

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-11517 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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