PT-2019-16786 · Crestron · Crestron Am-100+1

Published 2019-04-30 · Updated 2022-12-06 · CVE-2019-3932

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Crestron AM-100 version 1.6.0.2 Crestron AM-101 version 2.7.0.2

Description The issue is related to authentication bypass due to a hard-coded password in the return.tgi file. A remote, unauthenticated attacker can exploit this to control external devices via the uart bridge.

Recommendations For Crestron AM-100 version 1.6.0.2, consider disabling the uart bridge functionality until a patch is available. For Crestron AM-101 version 2.7.0.2, restrict access to the return.tgi file to minimize the risk of exploitation.

Exploit

Fix

Using Hardcoded Credentials

Weakness Enumeration

CWE-798

CWE-249

Related Identifiers

CVE-2019-3932

Affected Products

Crestron Am-100

Crestron Am-101

References · 3

• 🔥 https://tenable.com/security/research/tra-2019-20 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-3932 · Security Note
• https://osv.dev/vulnerability/CVE-2019-3932 · Vendor Advisory