CVE-2023-4249
Zavio
- Published
- 8 November 2023
- Last modified
- 17 June 2026
- CVSS
- 9.8 v3.1
- Severity
- critical
- EPSS
- 10.4% (95th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-121, CWE-78
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 10.4% probability of exploitation activity in the next 30 days, placing it in the top decile of all scored CVEs.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| B8220 | Zavio | unknown | m2.1.6.05 |
| B8520 | Zavio | unknown | m2.1.6.05 |
| CB3211 | Zavio | unknown | m2.1.6.05 |
| CB3212 | Zavio | unknown | m2.1.6.05 |
| CB5220 | Zavio | unknown | m2.1.6.05 |
| CB6231 | Zavio | unknown | m2.1.6.05 |
| CD321 | Zavio | unknown | m2.1.6.05 |
| CF7201 | Zavio | unknown | m2.1.6.05 |
| CF7300 | Zavio | unknown | m2.1.6.05 |
| CF7500 | Zavio | unknown | m2.1.6.05 |
| CF7501 | Zavio | unknown | m2.1.6.05 |
References
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03 third-party
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-304-03 third-party
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.