CVE-2025-63094

HIGH EPSS 38.5%
Published Dec 10, 20256mo ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Dec 10, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity None
Availability None

Threat Intelligence

EPSS Exploit Probability
38.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 2

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor Information Exposure
CWE-203

Affected Products 2

VendorProductVersionRange
xiangshanxiangshan2.0any
xiangshanxiangshan3.0any

References 2

  • github.com https://github.com/necst/aca25-xiangshan-spectre
    ExploitThird Party Advisory
  • github.com https://github.com/necst/aca25-xiangshan-spectre/blob/main/README.md
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.