CVE-2021-47796

Denver SHC-150 Smart Wifi Camera contains a hardcoded telnet credential vulnerability that allows unauthenticated attackers to access a Linux shell. Attackers can connect to port 23 using the default credential to execute arbitrary commands on the camera's operating system.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://old.denver.eu/products/smart-home-security/ip-camera-/indoor/c-1024/c-1245
https://www.exploit-db.com/exploits/50160
https://www.vulncheck.com/advisories/denver-smart-wifi-camera-shc-telnet-remote-code-execution-rce

Configurations

No configuration.

History

16 Jan 2026, 00:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-16 00:16

Updated : 2026-01-16 15:55

NVD link : CVE-2021-47796

Mitre link : CVE-2021-47796

CVE.ORG link : CVE-2021-47796

JSON object : View

Products Affected

No product.

CWE

CWE-798

Use of Hard-coded Credentials

{"id": "CVE-2021-47796", "cveTags": [{"tags": ["unsupported-when-assigned"], "sourceIdentifier": "disclosure@vulncheck.com"}], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-01-16T00:16:23.760", "references": [{"url": "http://old.denver.eu/products/smart-home-security/ip-camera-/indoor/c-1024/c-1245", "source": "disclosure@vulncheck.com"}, {"url": "https://www.exploit-db.com/exploits/50160", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/denver-smart-wifi-camera-shc-telnet-remote-code-execution-rce", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-798"}]}], "descriptions": [{"lang": "en", "value": "Denver SHC-150 Smart Wifi Camera contains a hardcoded telnet credential vulnerability that allows unauthenticated attackers to access a Linux shell. Attackers can connect to port 23 using the default credential to execute arbitrary commands on the camera's operating system."}], "lastModified": "2026-01-16T15:55:12.257", "sourceIdentifier": "disclosure@vulncheck.com"}