THREATPORT/VULNERABILITY/CVE-2019-3932
CRITICAL SEVERITY

CVE-2019-3932

Am 100 Firmware vulnerability

CVSS
9.8
EPSS
36.3%
EPSS pct
98th
Exploited
No known
Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to authentication bypass due to a hard-coded password in return.tgi. A remote, unauthenticated attacker can use this vulnerability to control external devices via the uart_bridge.
Affected vendor
Crestron
Affected product
Am 100 Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2019-04-30

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 36.3% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2019-3932

  • Confirm whether Crestron Am 100 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2019-3932.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2019-3932

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2019-3932 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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