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    FKIE_CVE-2026-92450

    Vulnerability from fkie_nvd - Published: 2026-10-22 23:20 - Updated: 2026-10-23 19:57
    Summary
    The authentication framework used by affected Kiloview E3 NDI encoder firmware signs session JSON Web Tokens using an HMAC-SHA256 secret hardcoded as a static string within the firmware image, identical across all deployed devices. An attacker with access to the publicly distributed firmware can recover this secret and forge arbitrary session tokens, including administrative tokens, without valid credentials, enabling unauthenticated access to privileged device functions.
    Impacted products
    Vendor Product Version

    {
      "affected": [
        {
          "affectedData": [
            {
              "defaultStatus": "unaffected",
              "product": "E3 Firmware",
              "vendor": "Kiloview",
              "versions": [
                {
                  "lessThan": "1.30",
                  "status": "affected",
                  "version": "0",
                  "versionType": "custom"
                },
                {
                  "status": "unaffected",
                  "version": "1.30"
                }
              ]
            }
          ],
          "source": "ics-cert@hq.dhs.gov"
        }
      ],
      "cveTags": [],
      "descriptions": [
        {
          "lang": "en",
          "value": "The authentication framework used by affected Kiloview E3 NDI encoder firmware signs session JSON Web Tokens using an HMAC-SHA256 secret hardcoded as a static string within the firmware image, identical across all deployed devices. An attacker with access to the publicly distributed firmware can recover this secret and forge arbitrary session tokens, including administrative tokens, without valid credentials, enabling unauthenticated access to privileged device functions."
        }
      ],
      "id": "CVE-2026-92450",
      "lastModified": "2026-10-23T19:57:42.660",
      "metrics": {
        "cvssMetricV31": [
          {
            "cvssData": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 7.5,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            },
            "exploitabilityScore": 3.9,
            "impactScore": 3.6,
            "source": "ics-cert@hq.dhs.gov",
            "type": "Secondary"
          }
        ],
        "cvssMetricV40": [
          {
            "cvssData": {
              "Automatable": "NOT_DEFINED",
              "Recovery": "NOT_DEFINED",
              "Safety": "NOT_DEFINED",
              "attackComplexity": "LOW",
              "attackRequirements": "NONE",
              "attackVector": "NETWORK",
              "availabilityRequirement": "NOT_DEFINED",
              "baseScore": 8.7,
              "baseSeverity": "HIGH",
              "confidentialityRequirement": "NOT_DEFINED",
              "exploitMaturity": "NOT_DEFINED",
              "integrityRequirement": "NOT_DEFINED",
              "modifiedAttackComplexity": "NOT_DEFINED",
              "modifiedAttackRequirements": "NOT_DEFINED",
              "modifiedAttackVector": "NOT_DEFINED",
              "modifiedPrivilegesRequired": "NOT_DEFINED",
              "modifiedSubAvailabilityImpact": "NOT_DEFINED",
              "modifiedSubConfidentialityImpact": "NOT_DEFINED",
              "modifiedSubIntegrityImpact": "NOT_DEFINED",
              "modifiedUserInteraction": "NOT_DEFINED",
              "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
              "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
              "modifiedVulnIntegrityImpact": "NOT_DEFINED",
              "privilegesRequired": "NONE",
              "providerUrgency": "NOT_DEFINED",
              "subAvailabilityImpact": "NONE",
              "subConfidentialityImpact": "NONE",
              "subIntegrityImpact": "NONE",
              "userInteraction": "NONE",
              "valueDensity": "NOT_DEFINED",
              "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
              "version": "4.0",
              "vulnAvailabilityImpact": "NONE",
              "vulnConfidentialityImpact": "HIGH",
              "vulnIntegrityImpact": "NONE",
              "vulnerabilityResponseEffort": "NOT_DEFINED"
            },
            "source": "ics-cert@hq.dhs.gov",
            "type": "Secondary"
          }
        ]
      },
      "published": "2026-10-22T23:20:33.703",
      "references": [
        {
          "source": "ics-cert@hq.dhs.gov",
          "url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-295-01.json"
        },
        {
          "source": "ics-cert@hq.dhs.gov",
          "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-295-01"
        },
        {
          "source": "ics-cert@hq.dhs.gov",
          "url": "https://www.kiloview.com/en/download/e3-firmware-downloadlatest-12/"
        }
      ],
      "sourceIdentifier": "ics-cert@hq.dhs.gov",
      "vulnStatus": "Deferred",
      "weaknesses": [
        {
          "description": [
            {
              "lang": "en",
              "value": "CWE-798"
            }
          ],
          "source": "ics-cert@hq.dhs.gov",
          "type": "Primary"
        }
      ]
    }

    ICSA-26-295-01

    Vulnerability from csaf_cisa - Published: 2026-10-22 06:00 - Updated: 2026-10-22 06:00
    Summary
    Kiloview E3 NDI Encoder
    Scope
    9 vulnerabilities in this advisory, including CVE-2026-92450.
    Open the full advisory