CVE-2023-23400
Published: 14 March 2023
Summary
CVE-2023-23400 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Microsoft Windows Server 2012. Its CVSS base score is 7.2 (High).
Operationally, ranked in the top 8.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
Windows DNS Server is affected by CVE-2023-23400, a remote code execution vulnerability published in March 2023. The flaw carries a CVSS 7.2 score reflecting network attack vector, low complexity, and high privileges required, with impacts across confidentiality, integrity, and availability; associated CWEs include CWE-122.
An authenticated attacker with high privileges can exploit the issue over the network to execute arbitrary code on the DNS server, potentially leading to full system compromise.
The Microsoft Security Response Center advisory at msrc.microsoft.com details the vulnerability and corresponding security updates. EPSS scores have remained flat at 0.0760 with no material increase after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-27500
Vulnerability details
Windows DNS Server 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
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.