CVE•Published 2023-02-14•Modified 2026-08-19•1 article on news•5 live references•NVD data
CVE-2023-21777Microsoft · Azure_app_service_on_azure_stack
Vulnerability data via NVD (ingested)
CVSS v3.1
8.7
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L
EPSS percentile
28
Exploit Prediction Scoring System · top 72% of all CVEs
Description
Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
Timeline
Published 2023-02-14
Modified 2026-08-19
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-2023-21777Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Microsoft Azure App Service On Azure Stack"All exposed Microsoft Azure App Service On Azure Stack instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Azure App Service On Azure Stack"HTTP body or banner mentions "Azure App Service On Azure Stack" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-21777Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-21777Censys host search filtered to this CVE id.
grep.app
CVE-2023-21777Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-21777GitHub code search for direct mentions.
Google dork
"CVE-2023-21777" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2023-21777 on GitHub.