External lookup
Potential internet exposure
Potential exposure only — not proof of vulnerability.Shodan results indicate potentially internet-exposed products, not confirmed vulnerable systems. They do not confirm that any returned system is vulnerable to CVE-2011-4821.
Product-level CPE searches intentionally omit version fields and NVD version-range or configuration certainty. Verify the exact product version and configuration independently.
Sign-in required. Shodan requires you to sign in to run these filter searches.
Product CPE queries
Derived from this CVE's existing NVD CPE 2.3 records; the application, operating-system, or hardware part is retained.
Exact CVE query
Eligible paid Shodan plan requiredShodan's exact vuln: filter is separate from the product searches above and requires an eligible paid Shodan plan.
These are outbound search links only. cvebuzz makes no Shodan API call, uses no Shodan API key, and does not display live result counts.
