RCE in Zavio B8220
CVE-2023-4249
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.
Vulnerability class: Buffer Overflow
EPSS: 0.104 (95.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Zavio B8220
- Zavio B8220_firmware — versions m2.1.6.05
- Zavio B8520
- Zavio B8520_firmware — versions m2.1.6.05
- Zavio Cb3211
- Zavio Cb3211_firmware — versions m2.1.6.05
- Zavio Cb3212
- Zavio Cb3212_firmware — versions m2.1.6.05
- Zavio Cb5220
- Zavio Cb5220_firmware — versions m2.1.6.05
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-4249?
- CVE-2023-4249 is a high-severity vulnerability in Zavio B8220, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2023-11-08.
- How severe is CVE-2023-4249?
- High severity. CVSS v3 base score is 8.8 out of 10.