TONNET TAT-76/TAT-77 Authentication Mechanism improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in TONNET TAT-76 and TAT-77. It has been classified as critical. Affected by this issue is some unknown functionality of the component Authentication Mechanism. The manipulation leads to improper authentication. This vulnerability is documented as CVE-2020-3923. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in TONNET TAT-76 and TAT-77 (unknown version) and classified as critical. This issue affects an unknown code block of the component Authentication Mechanism. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was released 02/27/2020. The identification of this vulnerability is CVE-2020-3923 since 12/20/2019. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Entry connected to this vulnerability is available at VDB-150702. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 8.1
CNA Vector (TWCERT/CC): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/20/2019 🔍
02/27/2020 +69 days 🔍
02/28/2020 +1 days 🔍
04/07/2024 +1500 days 🔍

Sourcesinfo

Advisory: tvn.twcert.org.tw
Status: Not defined

CVE: CVE-2020-3923 (🔍)
GCVE (CVE): GCVE-0-2020-3923
GCVE (VulDB): GCVE-100-150701
See also: 🔍

Entryinfo

Created: 02/28/2020 15:26
Updated: 04/07/2024 10:39
Changes: 02/28/2020 15:26 (35), 02/28/2020 15:31 (11), 04/07/2024 10:34 (16), 04/07/2024 10:39 (19)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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