What is CVE-2025-63094?

CVE-2025-63094 is a high-severity vulnerability in Xiangshan, classified under Information Disclosure. CVSS score: 7.5/10. Published 2025-12-10.

How severe is CVE-2025-63094?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Xiangshan

CVE-2025-63094

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.

Vulnerability class: Information Disclosure

EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Xiangshan — versions 2.0, 3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure
CWE-203 — Observable Discrepancy

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63094?: CVE-2025-63094 is a high-severity vulnerability in Xiangshan, classified under Information Disclosure. CVSS score: 7.5/10. Published 2025-12-10.
How severe is CVE-2025-63094?: High severity. CVSS v3 base score is 7.5 out of 10.