Buffer overflow in Schneider Electric Smartconnect

CVE-2022-22805

A CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability exists that could cause remote code execution when an improperly handled TLS packet is reassembled. Affected Product: SmartConnect Family: SMT…

Vulnerability class: Buffer Overflow

EPSS: 0.117 (95.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-22805?
CVE-2022-22805 is a critical-severity vulnerability in Schneider Electric Smartconnect, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2022-03-09.
How severe is CVE-2022-22805?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-22805 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.