Vulnerability Intelligence Report
TONNET DVR – Broken Access Control
CVE-2020-3923
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.
No Active Exploit Signals
CVSS Base Score
8.1
HIGH
Exploitability:2.3
Impact Score:5.9
EPSS Probability:1.68%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| TONNET | DVR | 0 <= 20191216 (affected) |
| TONNET | DVR | 0 <= 20200213 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
1.679%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | TWCERT/CC · CERT · Taiwan |
| Reserved | 2019-12-20T00:00:00 |
| Published | 2020-02-27T04:00:31 |
| Patch Date | 2020-02-21 |
| Last Updated | 2024-09-16T20:26:48 |
Community Chatter & Buzz