Cyber Resilience

CVE-2023-40221

HighRCE

Published: 18 September 2023

Published
18 September 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0010 28.0th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-40221 is a high-severity Code Injection (CWE-94) vulnerability in Socomec Modulys Gp Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 28.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The absence of filters when loading some sections in the web application of the vulnerable device allows potential attackers to inject malicious code that will be interpreted when a legitimate user accesses the web section (MAIL SERVER) where the information…

more

is displayed. Injection can be done on parameter MAIL_RCV. When a legitimate user attempts to review NOTIFICATION/MAIL SERVER, the injected code will be executed.

CWE(s)

Related Threats

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

Affected Assets

socomec
modulys gp firmware
01.12.10

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.

addresses: CWE-94

Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.

addresses: CWE-94

Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.

addresses: CWE-94

Validates inputs used in dynamic code generation to block injected directives.

addresses: CWE-94

Directly prevents execution of attacker-supplied code written into data memory regions.

References