Cyber Resilience

CVE-2023-4249

HighRCE

Published: 08 November 2023

Published
08 November 2023
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0054 68.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-4249 is a high-severity Stack-based Buffer Overflow (CWE-121) vulnerability in Zavio Cf7500 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 32.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.

CWE(s)
CWE-121CWE-78

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

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
+1 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References