# CVE-2023-48784 — Fortinet FortiOS

> As of 2024-08-02, CVE-2023-48784 is a MEDIUM-severity vulnerability in Fortinet FortiOS, CVSS v3.1 6.1, EPSS 0.7% (54.3th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2023-48784, most recently “Multiple Fortinet FortiOS Vulnerabilities (incl. CVE-2024-23113) Affect Siemens RUGGEDCOM APE1808 via Bundled Fortinet NGFW < V7.4.3 (SSA-832273)”.

**Last updated:** 2024-08-02

## What is CVE-2023-48784?

A use of externally-controlled format string vulnerability [CWE-134] in FortiOS version 7.4.1 and below, version 7.2.7 and below, 7.0 all versions, 6.4 all versions command line interface may allow a local privileged attacker with super-admin profile and CLI access to execute arbitrary code or commands via specially crafted requests.

The record classifies CVE-2023-48784 under weakness class [CWE-134](https://cwe.mitre.org/data/definitions/134.html). Its CVSS v3 base vector states that the flaw requires local access to the host, needs high-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 927 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.1 — MEDIUM (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R`)
- **EPSS (FIRST):** 0.7% probability of exploitation in the next 30 days, higher than 54.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 7.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2024-04-09, last modified 2024-08-02

## Is CVE-2023-48784 being exploited?

Weaponised exploit code for CVE-2023-48784 is publicly available. 1 public proof-of-concept repository is tracked for this identifier. It currently carries a trending score of 27 in the Threadlinqs vulnerability feed.

- [trickest/cve](https://github.com/trickest/cve/blob/main/2023/CVE-2023-48784.md) (trickest)

## Affected products and versions

- [Fortinet](https://intel.threadlinqs.com/vendors/fortinet): FortiOS

## How to fix CVE-2023-48784

Vendor advisory: [https://fortiguard.com/psirt/FG-IR-23-413](https://fortiguard.com/psirt/FG-IR-23-413). Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

## Threat activity tracking CVE-2023-48784

1 tracked threat in the Threadlinqs corpus references CVE-2023-48784, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Multiple Fortinet FortiOS Vulnerabilities (incl. CVE-2024-23113) Affect Siemens RUGGEDCOM APE1808 via Bundled Fortinet NGFW < V7.4.3 (SSA-832273)](https://intel.threadlinqs.com/threat/TL-2026-2489) — CRITICAL · 2026-09-13

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories, public proof-of-concept repositories. Last verified by Threadlinqs on 2026-10-10. This product uses the NVD API but is not endorsed or certified by the NVD.

**Other references**

- [fortiguard.com](https://fortiguard.com/psirt/FG-IR-23-413)

Canonical: https://intel.threadlinqs.com/cve/CVE-2023-48784
Full detection coverage and IOCs for threats exploiting CVE-2023-48784 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp