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CVE-2017-6416

CRITICAL

An issue was discovered in SysGauge 1.5.18. A buffer overflow vulnerability in SMTP connection verification leads to arbitrary code execution. The attack vector is a crafted SMTP daemon that sends a long 220 (aka "Service ready") string.

Published: Mar 6, 2017 Modified: Jun 17, 2026
CWE-119

CVSS Metrics

CVSSv3
Attack Vector: NETWORK Attack Complexity: LOW Privileges Required: NONE User Interaction: NONE Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products (1)

Vendor Product Version
flexense sysgauge 1.5.18

GitHub Security Advisory GHSA-mw58-m45m-q7x5

An issue was discovered in SysGauge 1.5.18. A buffer overflow vulnerability in SMTP connection...

Risk Scores

CVSS Score 9.8 / 10
EPSS Score 10.86%

Top 5% most likely to be exploited

Threat Score 42.5 / 100

Data Sources

NVD EPSS GitHub