CVE•Published 2017-03-06•Modified 2026-05-13•1 article on news•6 live references•NVD data
CVE-2017-6416Flexense · Sysgauge
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
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Description
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.
Timeline
Published 2017-03-06
Modified 2026-05-13
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2017-6416Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Flexense Sysgauge" version:"1.5.18"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Sysgauge"HTTP body or banner mentions "Sysgauge" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2017-6416Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2017-6416Censys host search filtered to this CVE id.
grep.app
CVE-2017-6416Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2017-6416GitHub code search for direct mentions.
Google dork
"CVE-2017-6416" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2017-6416 on GitHub.