CVE-2025-63094

Published Dec 10, 2025 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Xiangshan
Xiangshan xiangshan
CPEs cpe:2.3:a:xiangshan:xiangshan:2.0:*:*:*:*:*:*:*
cpe:2.3:a:xiangshan:xiangshan:3.0:*:*:*:*:*:*:*
Vendors & Products Xiangshan
Xiangshan xiangshan
Type Values Removed Values Added
Weaknesses CWE-200
CWE-203
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Openxiangshan
Openxiangshan xiangshan
Vendors & Products Openxiangshan
Openxiangshan xiangshan
Type Values Removed Values Added
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
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Dec 18, 2025, 7:07 PM
Reserved
Oct 27, 2025, 12:00 AM
Status
Analyzed
Published
Dec 10, 2025, 6:16 PM
Modified
Nov 4, 2026, 10:10 PM