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CVE-2025-21198 · Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability

No description was published by MSRC.

Severity
Important
Impact
Remote Code Execution
CVSS
9.0 base · 7.8 temporal
Release
2025-02-11
Signals
Microsoft High Performance Compute Pack (HPC) Linux Node Agent Remote Code Execution Exploited: No Publicly disclosed: No Exploitability: Exploitation Less Likely
CWE
CWE-306: Missing Authentication for Critical Function
Patch Diff
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Description
No description was published by MSRC.
FAQ / Articles
FAQ
According to the CVSS metric, the attack vector is adjacent (AV:A) and privileges required are low (PR:L). What does that mean for this vulnerability? Multiple networking topologies are available to connect High Performance Compute (HPC) resources which are reliant upon intra-nets or private networks and do not expose HPC resources to the public internet regardless of implementation. An attacker must have access to the network connecting the targeted clusters and nodes (PR:L) and must send a specially crafted HTTPS request to the head node (AV:A) to successfully exploit this vulnerability. For more information on how HPC resources can be connected, please reference this documentation regarding Understanding HPC Cluster Network Topologies.
FAQ
According to the CVSS metric, the scope is changed (S:C). What does that mean for this vulnerability? An attacker could exploit this vulnerability by sending a specially crafted HTTPS request to the targeted head node or Linux compute node granting them the ability to perform RCE on other clusters or nodes connected to the targeted head node.