CVE-2023-4249

Name: CVE-2023-4249
Creator: NVD / NIST
Published: 2023-11-08T23:15:11.967+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 10.39%

Last modified Jun 17, 2026

CVE-2023-4249 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321 IP Cameras with firmware version M2.1.6.05 has a command injection vulnerability in their implementation of their binaries and handling of network requests. . EPSS estimates a 10.39% chance of exploitation in the next 30 days.

Description

Zavio CF7500, CF7300, CF7201, CF7501, CB3211, CB3212, CB5220, CB6231, B8520, B8220, and CD321 IP Cameras with firmware version M2.1.6.05 has a command injection vulnerability in their implementation of their binaries and handling of network requests.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

10.39%

95.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Zavio	Cf7500 Firmware	m2.1.6.05
Zavio	Cf7300 Firmware	m2.1.6.05
Zavio	Cf7201 Firmware	m2.1.6.05
Zavio	Cf7501 Firmware	m2.1.6.05
Zavio	Cb3211 Firmware	m2.1.6.05
Zavio	Cb3212 Firmware	m2.1.6.05
Zavio	Cb5220 Firmware	m2.1.6.05
Zavio	Cb6231 Firmware	m2.1.6.05
Zavio	B8520 Firmware	m2.1.6.05
Zavio	B8220 Firmware	m2.1.6.05
Zavio	Cd321 Firmware	m2.1.6.05

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03Third Party Advisory, US Government Resource
https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03Third Party Advisory, US Government Resource

Timeline

Published: Nov 8, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4249?

How severe is CVE-2023-4249?

CVE-2023-4249 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 10.39% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4249?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4249?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST