Cyber Resilience

CVE-2024-38121

High

Published: 13 August 2024

Published
13 August 2024
Modified
16 August 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0806 92.3th percentile
Risk Priority 22 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-38121 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows Server 2008. Its CVSS base score is 8.8 (High).

Operationally, ranked in the top 7.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

Deeper analysis

The vulnerability CVE-2024-38121 is a remote code execution flaw in the Windows Routing and Remote Access Service (RRAS) component, rated at CVSS 8.8 and linked to a heap-based buffer overflow (CWE-122). It affects systems running the RRAS service and was publicly disclosed on 2024-08-13.

An unauthenticated attacker can trigger the flaw over a network connection. Successful exploitation requires user interaction and can result in arbitrary code execution with full impacts to confidentiality, integrity, and availability on the target system.

The official Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-38121 details available patches and mitigation steps for affected Windows versions. The associated EPSS score has remained flat at 0.0806 with no material increase since disclosure.

EU & UK References

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

microsoft
windows server 2008
all versions, r2
microsoft
windows server 2012
r2 · ≤ 6.2.9200.25031
microsoft
windows server 2016
≤ 10.0.14393.7259
microsoft
windows server 2019
≤ 10.0.17763.6189
microsoft
windows server 2022
≤ 10.0.20348.2655
microsoft
windows server 2022 23h2
≤ 10.0.25398.1085

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References