TONNET TAT-76/TAT-77 Patch File command injection

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CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.8$0-$5k0.00

A vulnerability was found in TONNET TAT-76 and TAT-77 (version unknown). It has been classified as critical. Affected is some unknown processing of the component Patch File Handler. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-77. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

DVR firmware in TAT-76 and TAT-77 series of products, provided by TONNET do not properly verify patch files. Attackers can inject a specific command into a patch file and gain access to the system.

The weakness was disclosed 02/27/2020. This vulnerability is traded as CVE-2020-3924 since 12/20/2019. The exploitability is told to be difficult. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

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

The entry 150701 is pretty similar.

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VulDB Meta Base Score: 5.8
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.4
NVD Vector: 🔍

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-77
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

12/20/2019 🔍
02/27/2020 +69 days 🔍
02/28/2020 +1 days 🔍
02/28/2020 +0 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-2020-3924 (🔍)
See also: 🔍

Entryinfoedit

Created: 02/28/2020 03:28 PM
Updated: 02/28/2020 03:33 PM
Changes: (11) vulnerability_cvss3_nvd_av vulnerability_cvss3_nvd_ac vulnerability_cvss3_nvd_pr vulnerability_cvss3_nvd_ui vulnerability_cvss3_nvd_s vulnerability_cvss3_nvd_c vulnerability_cvss3_nvd_i vulnerability_cvss3_nvd_a source_cve_assigned source_cve_nvd_summary vulnerability_cwe
Complete: 🔍

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