What is CVE-2022-34756?

CVE-2022-34756 is a high-severity vulnerability in Schneider Electric Easergy P5, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2022-07-13.

How severe is CVE-2022-34756?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Schneider Electric Easergy P5

CVE-2022-34756

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)

Vulnerability class: Buffer Overflow

EPSS: 0.015 (71.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Schneider Electric Easergy P5 — versions Firmware
Schneider-electric Easergy_p5
Schneider-electric Easergy_p5_firmware

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cybersecurity@se.com (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34756?: CVE-2022-34756 is a high-severity vulnerability in Schneider Electric Easergy P5, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2022-07-13.
How severe is CVE-2022-34756?: High severity. CVSS v3 base score is 8.8 out of 10.