CVE-2021-4469

Description

Denver SHO-110 IP cameras expose a secondary HTTP service on TCP port 8001 that provides access to a '/snapshot' endpoint without authentication. While the primary web interface on port 80 enforces authentication, the backdoor service allows any remote attacker to retrieve image snapshots by directly requesting the 'snapshot' endpoint. An attacker can repeatedly collect snapshots and reconstruct the camera stream, compromising the confidentiality of the monitored environment.

Weakness Type (CWE)

CWE-306 Missing Authentication

CWE-1242 CWE-1242

References

Other References

http://old.denver.eu/products/smart-home-security/denver-sho-110/c-1024/c-1243/p-3826 https://www.exploit-db.com/exploits/50162 https://www.vulncheck.com/advisories/denver-sho-110-ip-camera-unauthenticated-snapshot-access

Frequently Asked Questions

What is CVE-2021-4469? +

Denver SHO-110 IP cameras expose a secondary HTTP service on TCP port 8001 that provides access to a '/snapshot' endpoint without authentication. While the primary web interface on port 80 enforces authentication, the backdoor service allows any remote attacker to retrieve image snapshots by directly requesting the 'snapshot' endpoint. An attacker can repeatedly collect snapshots and reconstruct the camera stream, compromising the confidentiality of the monitored environment.

How do I check if I'm vulnerable to CVE-2021-4469? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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