FKIE_CVE-2026-28256

Vulnerability from fkie_nvd - Published: 2026-03-12 18:16 - Updated: 2026-03-27 16:25
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A Use of Hard-coded, Security-relevant Constants vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to disclose sensitive information and take over accounts.
References
ics-cert@hq.dhs.govhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
trane tracer_sc\+_firmware *
trane tracer_sc\+ *
trane tracer_sc_firmware *
trane tracer_sc_firmware 4.4
trane tracer_sc_firmware 4.4
trane tracer_sc_firmware 4.4
trane tracer_sc_firmware 4.4
trane tracer_sc_firmware 4.4
trane tracer_sc_firmware 4.4
trane tracer_sc *
trane tracer_concierge *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:trane:tracer_sc\\+_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "ED7923B0-A1FF-4A1E-839A-004FBE838730",
              "versionEndExcluding": "6.3.2310",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:trane:tracer_sc\\+:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0B249F8B-02B1-45F6-886F-6AA76CBBFFFC",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:trane:tracer_sc_firmware:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BBD8A909-6B7C-43B6-A3A0-FD48BD3D2C18",
              "versionEndIncluding": "4.4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack1:*:*:*:*:*:*",
              "matchCriteriaId": "43AD695C-9ACA-4BC4-9450-54B0A3D29B54",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack2:*:*:*:*:*:*",
              "matchCriteriaId": "B38311B5-C8E8-4677-9EB5-1FF5A4913ED8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack3:*:*:*:*:*:*",
              "matchCriteriaId": "85891146-8A17-4745-8909-97F0999E7973",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack4:*:*:*:*:*:*",
              "matchCriteriaId": "9F2D9C28-3AA6-44BF-A10A-E07B291B9A7E",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack5:*:*:*:*:*:*",
              "matchCriteriaId": "55728992-1027-4127-9373-B387D895135A",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:trane:tracer_sc_firmware:4.4:service_pack6:*:*:*:*:*:*",
              "matchCriteriaId": "1E07D9C2-BD89-4819-8F51-C4E8F3D46678",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:trane:tracer_sc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8588A8A1-256D-4A24-9911-B0EE946F34EE",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:trane:tracer_concierge:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E29DD1A7-FA40-440B-8B63-10939823234B",
              "versionEndExcluding": "6.3.2310",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A Use of Hard-coded, Security-relevant Constants vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to disclose sensitive information and take over accounts."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de Uso de constantes codificadas de forma r\u00edgida y relevantes para la seguridad en Trane Tracer SC, Tracer SC+ y Tracer Concierge podr\u00eda permitir a un atacante divulgar informaci\u00f3n sensible y tomar el control de cuentas."
    }
  ],
  "id": "CVE-2026-28256",
  "lastModified": "2026-03-27T16:25:57.750",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 6.9,
          "baseSeverity": "MEDIUM",
          "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": "HIGH",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "HIGH",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/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": "2026-03-12T18:16:23.917",
  "references": [
    {
      "source": "ics-cert@hq.dhs.gov",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01"
    }
  ],
  "sourceIdentifier": "ics-cert@hq.dhs.gov",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-547"
        }
      ],
      "source": "ics-cert@hq.dhs.gov",
      "type": "Primary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.