What is CVE-2016-5669?

CVE-2016-5669 is a critical-severity vulnerability in Crestron Dm-Txrx-100-Str. CVSS score: 9.8/10. Published 2016-08-03.

How severe is CVE-2016-5669?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2016-5669 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Crestron Dm-Txrx-100-Str

CVE-2016-5669

Crestron Electronics DM-TXRX-100-STR devices with firmware before 1.3039.00040 use a hardcoded 0xb9eed4d955a59eb3 X.509 certificate from an OpenSSL Test Certification Authority, which makes it easier for remote attackers to conduct man-in-the-middle attacks against HTTPS sessions by leveraging the certificate's trust relationship.

EPSS: 0.016 (73.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Crestron Dm-txrx-100-str
Crestron Dm-txrx-100-str_firmware — versions 1.2866.00026
N/a — versions n/a

Public proof-of-concept exploits

References

cret@cert.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cret@cert.org (US Government Resource, x_refsource_CERT-VN, VDB Entry, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2016-5669?: CVE-2016-5669 is a critical-severity vulnerability in Crestron Dm-Txrx-100-Str. CVSS score: 9.8/10. Published 2016-08-03.
How severe is CVE-2016-5669?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2016-5669 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.