by Kastro
Paper/Archive/CVE-2020-3923

CVE-2020-3923

TONNET DVR — TONNET DVR – Broken Access Control

EPSS 2%CVSS 9.8
critical.is priorityof 100
45
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 76.9.769 × 2015.4No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET, contain misconfigured authentication mechanism. Attackers can crack the default password and gain access to the system.

Affected

ProductAffectedFixed inSource
DVR≤ 20191216–CNA
DVR≤ 20200213–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
twcert (CNA)8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

reftvn.twcert.org.tw/taiwanvn/TVN-201910003refchtsecurity.com/news/4ef5eb3a-fdc3-4d78-8dd7-ec7213e2bbcf