CVE-2024-43575
Published: 08 October 2024
Summary
CVE-2024-43575 is a high-severity Uncontrolled Resource Consumption (CWE-400) vulnerability in Microsoft Windows Server 2016. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 8.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
CVE-2024-43575 is a denial-of-service vulnerability in Windows Hyper-V that carries a CVSS 3.1 score of 7.5. The flaw maps to CWE-400 and permits an unauthenticated network attacker to trigger uncontrolled resource consumption, resulting in high impact to availability while leaving confidentiality and integrity unaffected.
An attacker with no credentials or user interaction can send specially crafted network traffic to an exposed Hyper-V host, causing the service to become unavailable. The attack vector is rated as network-reachable with low complexity, making remote exploitation feasible against unpatched systems.
Microsoft’s advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43575 supplies patch information and mitigation guidance. The associated EPSS score has remained flat at 0.0657 with no material increase since disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-40329
Vulnerability details
Windows Hyper-V Denial of Service Vulnerability
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
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.
Limiting concurrent sessions directly prevents uncontrolled resource consumption by capping the number of active sessions per user or account.
Analysis identifies uncontrolled resource consumption indicative of denial-of-service or abuse attempts.
Contingency plan testing includes resource exhaustion scenarios to verify recovery, making it harder for attackers to sustain exploits that cause uncontrolled consumption.
Updated contingency plans include current procedures to detect, contain, and recover from resource exhaustion, limiting an attacker's ability to sustain impact from uncontrolled consumption.
Alternate site allows resumption of operations if resource exhaustion at the primary site is exploited to cause unavailability.
Alternate telecommunications services enable resumption of essential functions when primary services become unavailable due to uncontrolled resource consumption.
The team can analyze and respond to resource exhaustion incidents, reducing the impact of attacks that exploit uncontrolled consumption weaknesses.
Timely maintenance support and spare parts enable rapid recovery from failures induced by uncontrolled resource consumption, shortening the impact window of denial-of-service attacks.