Cyber Resilience

CVE-2022-35843

High

Published: 06 December 2022

Published
06 December 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0051 66.9th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-35843 is a high-severity Improper Access Control (CWE-284) vulnerability in Fortinet Fortios. Its CVSS base score is 8.1 (High).

Operationally, ranked in the top 33.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An authentication bypass by assumed-immutable data vulnerability [CWE-302] in the FortiOS SSH login component 7.2.0, 7.0.0 through 7.0.7, 6.4.0 through 6.4.9, 6.2 all versions, 6.0 all versions and FortiProxy SSH login component 7.0.0 through 7.0.5, 2.0.0 through 2.0.10, 1.2.0 all…

more

versions may allow a remote and unauthenticated attacker to login into the device via sending specially crafted Access-Challenge response from the Radius server.

CWE(s)

Related Threats

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

Affected Assets

fortinet
fortiproxy
1.2.0 — 1.2.13 · 2.0.0 — 2.0.10 · 7.0.0 — 7.0.6
fortinet
fortios
7.2.0, 7.2.1 · 6.0.0 — 6.0.15 · 6.2.0 — 6.2.12 · 6.4.0 — 6.4.9

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-284 CWE-287

The awareness and training policy mandates training on access control practices, directly reducing the likelihood of improper access control weaknesses being introduced or exploited.

addresses: CWE-284 CWE-287

Training covers access control policies and the consequences of improper access grants or usage by users.

addresses: CWE-284 CWE-287

Security training teaches access control policies and enforcement, reducing improper access control implementations.

addresses: CWE-284 CWE-287

Provides capability to review session content, directly detecting violations of access control.

addresses: CWE-284 CWE-287

System audit review detects violations of access controls by identifying unauthorized access attempts.

addresses: CWE-284 CWE-287

Control assessments verify that access controls are implemented correctly and operating as intended, detecting improper access control before exploitation.

addresses: CWE-284 CWE-287

Requiring formal approval, documented controls, and responsibilities for inter-system exchanges directly enforces proper access control between systems.

addresses: CWE-284 CWE-287

Penetration testing simulates unauthorized access attempts, directly detecting and enabling remediation of improper access control weaknesses.

References