CVE-2025-63094

{
  "id": "CVE-2025-63094",
  "sourceIdentifier": "[email protected]",
  "published": "2025-12-10T18:16:20.707",
  "lastModified": "2026-11-04T22:10:00.210",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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."
    },
    {
      "lang": "es",
      "value": "Se descubrió que XiangShan Nanhu V2 y XiangShan Kunmighu V3 utilizaban ejecución especulativa y predicción de bifurcaciones indirectas, lo que permitía a los atacantes acceder a información sensible mediante análisis de canal lateral de la caché de datos."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "version": "n/a",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-12-11T20:23:43.547719Z",
          "id": "CVE-2025-63094",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        },
        {
          "lang": "en",
          "value": "CWE-203"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:xiangshan:xiangshan:2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "01B90300-4ABC-464F-A54B-BF362E0A7FE3"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:xiangshan:xiangshan:3.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "BDF2681F-76EE-4656-B34A-8B1DE9E21F87"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/necst/aca25-xiangshan-spectre",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/necst/aca25-xiangshan-spectre/blob/main/README.md",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}