Vulnerability-Lookup

CVE-2026-28252 (GCVE-0-2026-28252)

Vulnerability from cvelistv5 – Published: 2026-03-12 17:24 – Updated: 2026-03-13 16:26

Title

Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge

Summary

A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the device.

Severity

9.2 (Critical)


                        
                          CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-03-13 16:26 UTC

CWE

CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Assigner

icscert icscert root

References

1 reference

URL	Tags
https://www.cisa.gov/news-events/ics-advisories/i…	government-resource

Impacted products

3 products

Vendor	Product	Version	CPE status
Trane	Tracer SC	Affected: 0 , < v4.4 SP7 (custom)	guessed
Trane	Tracer SC+	Affected: 0 , < v6.3.2310 (custom)	guessed
Trane	Tracer Concierge	Affected: 0 , < v6.3.2310 (custom)	guessed

Credits

Noam Moshe of Claroty reported these vulnerabilities to CISA.

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-28252

Vulnerability from fkie_nvd - Published: 2026-03-12 18:16 - Updated: 2026-06-17 10:28

Severity

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	ics-cert@hq.dhs.gov	https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01	Third Party Advisory, US Government Resource

Impacted products

Vendor	Product	Version
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_sc\+_firmware	*
trane	tracer_sc\+	*
trane	tracer_concierge	*

JSON

To clipboard

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    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de uso de algoritmo criptogr\u00e1fico roto o arriesgado en Trane Tracer SC, Tracer SC+ y Tracer Concierge podr\u00eda permitir a un atacante eludir la autenticaci\u00f3n y obtener acceso a nivel de root al dispositivo."
    }
  ],
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  "lastModified": "2026-06-17T10:28:22.857",
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    "cvssMetricV31": [
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      "source": "ics-cert@hq.dhs.gov",
      "type": "Secondary"
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  ]
}

GHSA-MVQV-5Q67-W9VH

Vulnerability from github – Published: 2026-03-12 18:30 – Updated: 2026-03-27 18:31

Details

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.2 (Critical)


                  
                    CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-28252"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-327"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-03-12T18:16:23Z",
    "severity": "CRITICAL"
  },
  "details": "A Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge could allow an attacker to bypass authentication and gain root-level access to the device.",
  "id": "GHSA-mvqv-5q67-w9vh",
  "modified": "2026-03-27T18:31:22Z",
  "published": "2026-03-12T18:30:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28252"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/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",
      "type": "CVSS_V4"
    }
  ]
}

ICSA-26-071-01

Vulnerability from csaf_cisa - Published: 2026-03-12 06:00 - Updated: 2026-03-12 06:00

Summary

Trane Tracer SC, Tracer SC+, and Tracer Concierge

Scope

5 vulnerabilities in this advisory, including CVE-2026-28252.

CVE-2026-28252

8.1 (High)


                
                  CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Known affected: 3 products

Open the full advisory

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-28252 (GCVE-0-2026-28252)

FKIE_CVE-2026-28252

GHSA-MVQV-5Q67-W9VH

ICSA-26-071-01

Tags

Sightings

Nomenclature

Related by attack behaviour