Cyber Resilience

CVE-2022-43377

High

Published: 18 April 2023

Published
18 April 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0025 48.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-43377 is a high-severity Improper Restriction of Excessive Authentication Attempts (CWE-307) vulnerability in Schneider-Electric Netbotz 355 Firmware. Its CVSS base score is 7.5 (High).

Operationally, ranked at the 48.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

A CWE-307: Improper Restriction of Excessive Authentication Attempts vulnerability exists that could cause account takeover when a brute force attack is performed on the account. Affected Products: NetBotz 4 - 355/450/455/550/570 (V4.7.0 and prior)

CWE(s)

Related Threats

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

Affected Assets

schneider-electric
netbotz 355 firmware
4.0.0 — 4.7.0
schneider-electric
netbotz 450 firmware
4.0.0 — 4.7.0
schneider-electric
netbotz 455 firmware
4.0.0 — 4.7.0
schneider-electric
netbotz 550 firmware
4.0.0 — 4.7.0
schneider-electric
netbotz 570 firmware
4.0.0 — 4.7.0

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-307

This control directly enforces limits on consecutive invalid logon attempts and automatic response (e.g., lockout) to prevent brute-force exploitation of authentication mechanisms.

addresses: CWE-307

Specific conditions can include excessive failed attempts, triggering stronger authentication that restricts brute-force exploitation.

References