Vulnerability Snapshot
CVE-2024-23113 is rated HIGH — exploitation is straightforward for a motivated attacker and impact is significant. Apply the vendor patch within your standard high-severity SLA.
This vulnerability appears in CISA's Known Exploited Vulnerabilities (KEV) catalog, meaning it has been observed in active attacks. Federal agencies have a remediation deadline; commercial defenders should treat it with equivalent urgency.
Affected technology: FortiOS 7.0.x, FortiOS 7.2.x, FortiOS 7.4.x.
Vulnerability Overview
CVE-2024-23113 is a format string vulnerability in the Fortinet FortiOS fgfmd daemon. The fgfmd daemon handles FortiGate-to-FortiManager communication, and a format string flaw in its request parsing allows remote unauthenticated attackers to execute arbitrary code.
Impact Assessment
Exploitation of this vulnerability allows complete device takeover. Attackers can gain root-level access to FortiGate devices, intercept network traffic, modify firewall rules, and pivot into protected network segments.
Affected Products
FortiOS 7.0 (all versions before 7.0.14), FortiOS 7.2 (all versions before 7.2.7), FortiOS 7.4 (all versions before 7.4.3). FortiProxy and FortiPAM are also affected.
Recommended Actions
How Vulnios Detects This
Vulnios scans for this vulnerability using KEV cross-check that flags any host where this CVE is already on CISA's exploited list. Run a scan against your environment to see whether you are exposed; findings are linked back to the original CVE record so triage starts with the patch path already known.
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Affected Products
Sources
Related Threat Alerts
- Fortinet, Ivanti Patch Critical Vulnerabilities
- Fortinet warns of critical RCE flaws in FortiSandbox and FortiAuthenticator
- Fortinet Patches Critical FortiSandbox Vulnerabilities
- ⚡ Weekly Recap: Axios Hack, Chrome 0-Day, Fortinet Exploits, Paragon Spyware and More
- CISA Adds One Known Exploited Vulnerability to Catalog
Frequently Asked Questions
What is CVE-2024-23113?
CVE-2024-23113 is a high-severity vulnerability tracked under the Common Vulnerabilities and Exposures program. Fortinet FortiOS fgfmd daemon contains a format string vulnerability allowing remote unauthenticated attackers to execute arbitrary code via specially crafted requests.
Am I affected?
Check whether your environment runs FortiOS 7.0.x, FortiOS 7.2.x, FortiOS 7.4.x. If you operate any of those, treat yourself as in scope until you have evidence otherwise. A Vulnios scan will identify the exact assets carrying the affected version.
How urgent is the response?
High: address inside your standard high-severity SLA (typically 7 days for internet-exposed assets, 30 days for internal). Skip ahead in the queue if the host is internet-facing.
How do I remediate?
Apply the vendor patch listed in the upstream advisory linked under Sources. If the patch is not yet available, follow the vendor-supplied workaround (often a config flag or feature disable) and add detections for the published exploit pattern in your SIEM. Re-scan after the patch lands to confirm the finding clears.
Where can I track exploitation activity?
Watch CISA's Known Exploited Vulnerabilities catalog for CVE-2024-23113. Cross-reference with public exploit databases and your own SIEM/IDS for indicator-of-compromise patterns. Vulnios tracks KEV status automatically and surfaces it on the asset findings view.
How does Vulnios help with this?
Vulnios continuously cross-references your asset inventory against the live CVE feed (NVD, vendor advisories, CISA KEV, and curated OSINT). When a new CVE matches your environment, you get a prioritized finding with the severity, KEV status, exploit-prediction (EPSS), and a direct path to the vendor patch. You can start a free scan from the homepage.
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