CVE•Published 2021-03-31•Modified 2026-08-12•1 article on news•5 live references•NVD data
CVE-2021-21983Vmware · Cloud_foundation
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H
EPSS percentile
99
Exploit Prediction Scoring System · top 1% of all CVEs
Description
Arbitrary file write vulnerability in vRealize Operations Manager API (CVE-2021-21983) prior to 8.4 may allow an authenticated malicious actor with network access to the vRealize Operations Manager API can write files to arbitrary locations on the underlying photon operating system.
Timeline
Published 2021-03-31
Modified 2026-08-12
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-2021-21983Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Vmware Cloud Foundation" version:"3.0"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Cloud Foundation"HTTP body or banner mentions "Cloud Foundation" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2021-21983Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-21983Censys host search filtered to this CVE id.
grep.app
CVE-2021-21983Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-21983GitHub code search for direct mentions.
Google dork
"CVE-2021-21983" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.