CVE-2025-63094

high

Description

XiangShan Nanhu V2 and XiangShan Kunmighu V3 were discovered to use speculative execution and indirect branch prediction, allowing attackers to access sensitive information via side-channel analysis of the data cache.

References

https://github.com/necst/aca25-xiangshan-spectre/blob/main/README.md

https://github.com/necst/aca25-xiangshan-spectre

Details

Source: Mitre, NVD

Published: 2025-12-10

Updated: 2026-01-02

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:N

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

EPSS

EPSS: 0.00019