CVE•Published 2017-03-27•Modified 2026-05-13•1 article on news•6 live references•NVD data
CVE-2017-6458Ntp · Ntp
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Description
Multiple buffer overflows in the ctl_put* functions in NTP before 4.2.8p10 and 4.3.x before 4.3.94 allow remote authenticated users to have unspecified impact via a long variable.
Timeline
Published 2017-03-27
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 tag55,808 hosts
vuln:CVE-2017-6458Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Ntp Ntp"All exposed Ntp Ntp instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Ntp"HTTP body or banner mentions "Ntp" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2017-6458Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2017-6458Censys host search filtered to this CVE id.
grep.app
CVE-2017-6458Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2017-6458GitHub code search for direct mentions.
Google dork
"CVE-2017-6458" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.