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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.129 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.104 · newest: 0.129 · change: +0.026
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
- www.cisa.gov/news-events/ics-advisories/icsa-23-304-03 (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.