CVE-2021-42534: medium-severity vulnerability in Trane Tracer SC
Trane Building Automation Controllers Cross-site Scripting
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.6%
The affected product’s web application does not properly neutralize the input during webpage generation, which could allow an attacker to inject code in the input forms.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected products
Trane · Tracer SCRelated CVEs — Trane Tracer SC
In the same product, most dangerous first.
CVE-2021-38450CRITICALTrane Tracer Code InjectionEPSS 1.0%CVE-2026-28253HIGHMemory Allocation with Excessive Size Value vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.4%CVE-2026-28255HIGHUse of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.3%CVE-2026-28254MEDIUMMissing Authorization vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.3%CVE-2026-28256MEDIUMUse of Hard-coded Credentials vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.3%CVE-2026-28252CRITICALUse of a Broken or Risky Cryptographic Algorithm vulnerability in Trane Tracer SC, Tracer SC+, and Tracer ConciergeEPSS 0.2%