What’s Vulnerable › Vulnerabilities

CVE-2023-48121

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-28 · updated 2026-06-17
• Weakness: CWE-287

Description

An authentication bypass vulnerability in the Direct Connection Module in Ezviz CS-C6N-xxx prior to v5.3.x build 20230401, Ezviz CS-CV310-xxx prior to v5.3.x build 20230401, Ezviz CS-C6CN-xxx prior to v5.3.x build 20230401, Ezviz CS-C3N-xxx prior to v5.3.x build 20230401 allows remote attackers to obtain sensitive information by sending crafted messages to the affected devices.

Affected products

• EZVIZ Cs-C3N-A0-3H2Wfrl Firmware: all versions
• EZVIZ Cs-C6Cn-A0-3H2Wfr Firmware: all versions
• EZVIZ CS-C6N-A0-1C2WFR: all versions
• EZVIZ Cs-Cv310-A0-1C2Wfr Firmware: all versions

References

• https://joerngermany.github.io/ezviz_vulnerability/
• https://www.ezviz.com/data-security/security-notice/detail/911
• https://www.hikvision.com/hk/support/cybersecurity/security-advisory/security-vulnerability-in-some-hikvision-products/
• https://joerngermany.github.io/ezviz_vulnerability/
• https://www.ezviz.com/data-security/security-notice/detail/911
• https://www.hikvision.com/hk/support/cybersecurity/security-advisory/security-vulnerability-in-some-hikvision-products/

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