CVE•Published 2019-10-17•Modified 2026-09-04•1 article on news•5 live references•NVD data
CVE-2019-11284Broadcom · Reactor_netty
Vulnerability data via NVD (ingested)
CVSS v3.1
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS percentile
57
Exploit Prediction Scoring System · top 43% of all CVEs
Weaknesses (CWE)
Description
Pivotal Reactor Netty, versions prior to 0.8.11, passes headers through redirects, including authorization ones. A remote unauthenticated malicious user may gain access to credentials for a different server than they have access to.
Timeline
Published 2019-10-17
Modified 2026-09-04
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-2019-11284Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Broadcom Reactor Netty"All exposed Broadcom Reactor Netty instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Reactor Netty"HTTP body or banner mentions "Reactor Netty" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2019-11284Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2019-11284Censys host search filtered to this CVE id.
grep.app
CVE-2019-11284Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2019-11284GitHub code search for direct mentions.
Google dork
"CVE-2019-11284" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.