CVE•Published 2021-09-23•1 article on news•6 live references•NVD data
CVE-2021-22017
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
5.3
MEDIUM
EPSS percentile
99
Exploit Prediction Scoring System · top 1% of all CVEs
Description
Rhttproxy as used in vCenter Server contains a vulnerability due to improper implementation of URI normalization. A malicious actor with network access to port 443 on vCenter Server may exploit this issue to bypass proxy leading to internal endpoints being accessed.
Timeline
Published 2021-09-23
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-2021-22017Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Vmware Vcenter Server" version:"6.7"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Vcenter Server"HTTP body or banner mentions "Vcenter Server" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-22017Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-22017Censys host search filtered to this CVE id.
grep.app
CVE-2021-22017Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-22017GitHub code search for direct mentions.
Google dork
"CVE-2021-22017" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.