CVE-2026-18451 (GCVE-0-2026-18451)
Vulnerability from cvelistv5
Published
2026-10-27 07:51
Modified
2026-10-27 07:51
CWE
  • CWE-337 - Predictable Seed in a Pseudo-Random Number Generator (PRNG)
Summary
The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session.
Impacted products
Vendor Product Version
SMCI MBD-X12SPI Version: 01.07.20   <
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Show details on NVD website


{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "platforms": [
            "BMC"
          ],
          "product": "MBD-X12SPI",
          "vendor": "SMCI",
          "versions": [
            {
              "status": "affected",
              "version": "01.07.20",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "runZero"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session."
            }
          ],
          "value": "The HTML5 KVM-over-IP console authenticates with a token returned by the web interface. Weaknesses in token generation may allow an attacker to guess the session token and take control of the KVM session."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-59",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-59: Session Hijacking"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.1,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
            }
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      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-337",
              "description": "CWE-337: Predictable Seed in a Pseudo-Random Number Generator (PRNG)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-27T07:51:10.336Z",
        "orgId": "def9a96e-e099-41a9-bfac-30fd4f82c411",
        "shortName": "Supermicro"
      },
      "references": [
        {
          "url": "https://www.supermicro.com/en/support/security_BMC_IPMI_Oct_2026_1"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Supermicro BMC\u0027s iKVM feature is vulnerable to KVM session hijacking due to a predictable time-seeded launch token",
      "x_generator": {
        "engine": "Vulnogram 1.0.5"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "def9a96e-e099-41a9-bfac-30fd4f82c411",
    "assignerShortName": "Supermicro",
    "cveId": "CVE-2026-18451",
    "datePublished": "2026-10-27T07:51:10.336Z",
    "dateReserved": "2026-07-31T05:37:17.153Z",
    "dateUpdated": "2026-10-27T07:51:10.336Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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