{"id":"CVE-2026-28252","state":"PUBLISHED","title":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge","description":"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.","publishedAt":"2026-03-12T17:24:04.256Z","updatedAt":"2026-03-13T16:26:13.627Z","severity":{"score":9.2,"label":"Critical","version":"4.0","vector":"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","source":"icscert"},"assigner":"icscert","products":["Trane Tracer SC","Trane Tracer SC+","Trane Tracer Concierge"],"affected":[{"vendor":"Trane","product":"Tracer SC","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v4.4 SP7","versionType":"custom"}]},{"vendor":"Trane","product":"Tracer SC+","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v6.3.2310","versionType":"custom"}]},{"vendor":"Trane","product":"Tracer Concierge","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v6.3.2310","versionType":"custom"}]}],"references":["https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01"],"weaknesses":["CWE-327"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/28xxx/CVE-2026-28252.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-28252","state":"PUBLISHED","datePublished":"2026-03-12T17:24:04.256Z","dateUpdated":"2026-03-13T16:26:13.627Z","assignerShortName":"icscert","assignerOrgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateReserved":"2026-02-25T17:06:34.954Z"},"containers":{"cna":{"title":"Use of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer Concierge","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Trane","product":"Tracer SC","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v4.4 SP7","versionType":"custom"}]},{"vendor":"Trane","product":"Tracer SC+","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v6.3.2310","versionType":"custom"}]},{"vendor":"Trane","product":"Tracer Concierge","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"v6.3.2310","versionType":"custom"}]}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-071-01","tags":["government-resource"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"CRITICAL","baseScore":9.2,"vectorString":"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-327","lang":"en","description":"CWE-327 Use of a Broken or Risky Cryptographic Algorithm","type":"CWE"}]}],"providerMetadata":{"shortName":"icscert","orgId":"7d14cffa-0d7d-4270-9dc0-52cabd5a23a6","dateUpdated":"2026-03-12T17:54:58.775Z"},"solutions":[{"lang":"en","value":"Trane has released the following versions of Tracer SC+ for users to upgrade to:\n\n  *  CVE-2026-28252: Tracer SC+ version v6.30.2313","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>Trane has released the following versions of Tracer SC+ for users to upgrade to:</p><ul><li>CVE-2026-28252: Tracer SC+ version v6.30.2313<br></li></ul>"}]}],"credits":[{"lang":"en","value":"Noam Moshe of Claroty reported these vulnerabilities to CISA.","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-13T16:26:05.382110Z","id":"CVE-2026-28252","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-13T16:26:13.627Z"}}]}}}