CVE-2023-33218
CWE-121Published: December 15, 2023· Updated: Jun 17, 2026
Official Description
The Parameter Zone Read and Parameter Zone Write command handlers allow performing a Stack buffer overflow.
This could potentially lead to a Remote Code execution on the targeted device.
Risk Analysis
Idemia Sigma devices are vulnerable to a stack-based buffer overflow via the Parameter Zone Read and Write command handlers. This critical flaw could enable remote code execution.
No public exploit is known, and it is not in the KEV catalog. The vulnerability is remotely exploitable with low complexity.
Upgrade the device firmware to the latest available version. Restrict access to administrative commands and interfaces.
Technical Analysis
CVE-2023-33218 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-121)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-33218 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts