CVE-2024-43593
Published: 08 October 2024
Summary
CVE-2024-43593 is a high-severity Improper Input Validation (CWE-20) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 8.8 (High).
Operationally, ranked in the top 8.8% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Windows Routing and Remote Access Service (RRAS) contains a remote code execution vulnerability tracked as CVE-2024-43593. The flaw affects the Windows RRAS component and carries a CVSS 3.1 base score of 8.8. It is associated with CWE-20 (improper input validation) and CWE-122 (heap-based buffer overflow), allowing an attacker to supply malformed data that corrupts memory during network processing.
An authenticated attacker with low privileges can reach the service over the network without user interaction. Successful exploitation grants the ability to execute arbitrary code with the privileges of the RRAS process, resulting in full compromise of confidentiality, integrity, and availability on the affected system.
Microsoft’s security advisory for CVE-2024-43593, published on 8 October 2024, directs administrators to apply the corresponding security update through the standard Windows update channels. The EPSS score remains low and unchanged at 0.0635, with no reported real-world exploitation activity at the time of disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-40345
Vulnerability details
Windows Routing and Remote Access Service (RRAS) Remote Code Execution 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.
Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.
Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.
Directly implements checks on information inputs to reject invalid data before processing.
Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.