Cyber Resilience

CVE-2022-43947

Medium

Published: 11 April 2023

Published
11 April 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 5.0 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0016 37.3th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-43947 is a medium-severity Improper Restriction of Excessive Authentication Attempts (CWE-307) vulnerability in Fortinet Fortiproxy. Its CVSS base score is 5.0 (Medium).

Operationally, ranked at the 37.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiOS version 7.2.0 through 7.2.3 and before 7.0.10, FortiProxy version 7.2.0 through 7.2.2 and before 7.0.8 administrative interface allows an attacker with a valid user account to perform brute-force…

more

attacks on other user accounts via injecting valid login sessions.

CWE(s)

Related Threats

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

Affected Assets

fortinet
fortiproxy
1.0.0 — 2.0.9 · 7.0.0 — 7.0.8 · 7.2.0 — 7.2.2
fortinet
fortios
6.2.0 — 6.4.13 · 7.0.0 — 7.0.11 · 7.2.0 — 7.2.4

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