How severe is CVE-2017-11517?

CVE-2017-11517 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-11517 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-11517?

CVE-2017-11517 primarily affects Geutebrueck Gcore. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-11517?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-11517 published?

CVE-2017-11517 was published on 2017-07-21 and last updated on 2026-06-17.

CVE-2017-11517

CVE-2017-11517 is a critical-severity vulnerability in Geutebrueck Gcore with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 29% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 29% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Geutebrueck Gcore
Published: 2017-07-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-11517?: 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.
How severe is CVE-2017-11517?: CVE-2017-11517 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-11517 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-11517?: CVE-2017-11517 primarily affects Geutebrueck Gcore. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-11517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-11517 published?: CVE-2017-11517 was published on 2017-07-21 and last updated on 2026-06-17.

References

https://www.exploit-db.com/exploits/41153/

Affected products (2)

cpe:2.3:a:geutebrueck:gcore:1.3.8.42:*:*:*:*:*:*:*
cpe:2.3:a:geutebrueck:gcore:1.4.2.37:*:*:*:*:*:*:*

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