CVE•Published 2017-01-19•Modified 2026-05-13•1 article on news•6 live references•NVD data
CVE-2016-7543Gnu · Bash
Vulnerability data via NVD (ingested)
CVSS v3.1
8.4
HIGH
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
Bash before 4.4 allows local users to execute arbitrary commands with root privileges via crafted SHELLOPTS and PS4 environment variables.
Timeline
Published 2017-01-19
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-2016-7543Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Gnu Bash"All exposed Gnu Bash instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Bash"HTTP body or banner mentions "Bash" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2016-7543Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2016-7543Censys host search filtered to this CVE id.
grep.app
CVE-2016-7543Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2016-7543GitHub code search for direct mentions.
Google dork
"CVE-2016-7543" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.