Cyber Resilience

CVE-2022-34756

High

Published: 13 July 2022

Published
13 July 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0187 83.5th percentile
Risk Priority 19 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-34756 is a high-severity Classic Buffer Overflow (CWE-120) vulnerability in Schneider-Electric Easergy P5 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 16.5% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A CWE-120: Buffer Copy without Checking Size of Input vulnerability exists that could result in remote code execution or the crash of HTTPs stack which is used for the device Web HMI. Affected Products: Easergy P5 (V01.401.102 and prior)

CWE(s)

Related Threats

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

Affected Assets

schneider-electric
easergy p5 firmware
≤ 01.401.102

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-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References