CVE-2022-2471 — CRITICAL (9.9)

Vulnerability Description

Stack-based Buffer Overflow vulnerability in the EZVIZ Motion Detection component as used in camera models CS-CV248, CS-C6N-A0-1C2WFR, CS-DB1C-A0-1E2W2FR, CS-C6N-B0-1G2WF, CS-C3W-A0-3H4WFRL allows a remote attacker to execute remote code on the device. This issue affects: EZVIZ CS-CV248 versions prior to 5.2.3 build 220725. EZVIZ CS-C6N-A0-1C2WFR versions prior to 5.3.0 build 220428. EZVIZ CS-DB1C-A0-1E2W2FR versions prior to 5.3.0 build 220802. EZVIZ CS-C6N-B0-1G2WF versions prior to 5.3.0 build 220712. EZVIZ CS-C3W-A0-3H4WFRL versions prior to 5.3.5 build 220723.

CVSS Score

9.9

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Ezviz	Cs-C6N-A0-1C2Wfr Firmware	5.3.0
Ezviz	Cs-C6N-A0-1C2Wfr	-
Ezviz	Cs-Db1C-A0-1E2W2Fr Firmware	5.3.0
Ezviz	Cs-Db1C-A0-1E2W2Fr	-
Ezviz	Cs-C6N-B0-1G2Wf Firmware	5.3.0
Ezviz	Cs-C6N-B0-1G2Wf	-
Ezviz	Cs-C3W-A0-3H4Wfrl Firmware	5.3.5
Ezviz	Cs-C3W-A0-3H4Wfrl	-
Ezviz	Cs-Cv248 Firmware	5.2.1
Ezviz	Cs-Cv248	-

Related Weaknesses (CWE)

CWE-121

References

https://www.bitdefender.com/blog/labs/vulnerabilities-identified-in-ezviz-smart-Third Party Advisory
https://www.bitdefender.com/blog/labs/vulnerabilities-identified-in-ezviz-smart-Third Party Advisory

FAQ

What is CVE-2022-2471?

CVE-2022-2471 is a vulnerability with a CVSS score of 9.9 (CRITICAL). Stack-based Buffer Overflow vulnerability in the EZVIZ Motion Detection component as used in camera models CS-CV248, CS-C6N-A0-1C2WFR, CS-DB1C-A0-1E2W2FR, CS-C6N-B0-1G2WF, CS-C3W-A0-3H4WFRL allows a r...

How severe is CVE-2022-2471?

CVE-2022-2471 has been rated CRITICAL with a CVSS base score of 9.9/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-2471?

Check the references section above for vendor advisories and patch information. Affected products include: Ezviz Cs-C6N-A0-1C2Wfr Firmware, Ezviz Cs-C6N-A0-1C2Wfr, Ezviz Cs-Db1C-A0-1E2W2Fr Firmware, Ezviz Cs-Db1C-A0-1E2W2Fr, Ezviz Cs-C6N-B0-1G2Wf Firmware.