An authentication bypass vulnerability in the Direct Connection Module in Ezviz…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:ezviz:cs-c6n-a0-1c2wfr_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | EZVIZ |
| cpe:2.3:h:ezviz:cs-c6n-a0-1c2wfr:-:*:*:*:*:*:*:* | not specified by NVD | Running on | EZVIZ |
| cpe:2.3:o:ezviz:cs-cv310-a0-1c2wfr_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | EZVIZ |
| cpe:2.3:h:ezviz:cs-cv310-a0-1c2wfr:-:*:*:*:*:*:*:* | not specified by NVD | Running on | EZVIZ |
| cpe:2.3:o:ezviz:cs-c6cn-a0-3h2wfr_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | EZVIZ |
| cpe:2.3:h:ezviz:cs-c6cn-a0-3h2wfr:-:*:*:*:*:*:*:* | not specified by NVD | Running on | EZVIZ |
| cpe:2.3:o:ezviz:cs-c3n-a0-3h2wfrl_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | EZVIZ |
| cpe:2.3:h:ezviz:cs-c3n-a0-3h2wfrl:-:*:*:*:*:*:*:* | not specified by NVD | Running on | EZVIZ |
- cpe:2.3:o:ezviz:cs-c6n-a0-1c2wfr_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·EZVIZ
- cpe:2.3:h:ezviz:cs-c6n-a0-1c2wfr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·EZVIZ
- cpe:2.3:o:ezviz:cs-cv310-a0-1c2wfr_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·EZVIZ
- cpe:2.3:h:ezviz:cs-cv310-a0-1c2wfr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·EZVIZ
- cpe:2.3:o:ezviz:cs-c6cn-a0-3h2wfr_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·EZVIZ
- cpe:2.3:h:ezviz:cs-c6cn-a0-3h2wfr:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·EZVIZ
- cpe:2.3:o:ezviz:cs-c3n-a0-3h2wfrl_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·EZVIZ
- cpe:2.3:h:ezviz:cs-c3n-a0-3h2wfrl:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·EZVIZ
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-48121
- 2026-10-03 Alias added: GHSA-9rc5-4p7c-qp9h
References
Sources
- CVE-2023-48121 · CVE Program
- CVE-2023-48121 · NVD
- FIRST EPSS
- GHSA-9rc5-4p7c-qp9h · GitHub Advisory Database · CC BY 4.0
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