Cyber Resilience

CVE-2023-47543

Medium

Published: 12 November 2024

Published
12 November 2024
Modified
02 January 2025
KEV Added
—
Patch
—
CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
EPSS Score 0.0010 26.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-47543 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Fortinet Fortiportal. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 26.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An authorization bypass through user-controlled key vulnerability [CWE-639] in Fortinet FortiPortal version 7.0.0 through 7.0.3 allows an authenticated attacker to interact with ressources of other organizations via HTTP or HTTPS requests.

CWE(s)
CWE-639

Related Threats

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

Affected Assets

fortinet
fortiportal
7.0.0 — 7.0.4

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.

AC-24 Access Control Decisions
addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement
addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

References