Executive Summary
Informations | |||
---|---|---|---|
Name | CVE-2019-12789 | First vendor Publication | 2019-06-17 |
Vendor | Cve | Last vendor Modification | 2020-08-24 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | |||
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Overall CVSS Score | 6.8 | ||
Base Score | 6.8 | Environmental Score | 6.8 |
impact SubScore | 5.9 | Temporal Score | 6.8 |
Exploitabality Sub Score | 0.9 | ||
Attack Vector | Physical | Attack Complexity | Low |
Privileges Required | None | User Interaction | None |
Scope | Unchanged | Confidentiality Impact | High |
Integrity Impact | High | Availability Impact | High |
Calculate full CVSS 3.0 Vectors scores |
Security-Database Scoring CVSS v2
Cvss vector : (AV:L/AC:L/Au:N/C:C/I:C/A:C) | |||
---|---|---|---|
Cvss Base Score | 7.2 | Attack Range | Local |
Cvss Impact Score | 10 | Attack Complexity | Low |
Cvss Expoit Score | 3.9 | Authentication | None Required |
Calculate full CVSS 2.0 Vectors scores |
Detail
An issue was discovered on Actiontec T2200H T2200H-31.128L.08 devices, as distributed by Telus. By attaching a UART adapter to the UART pins on the system board, an attacker can use a special key sequence (Ctrl-\) to obtain a shell with root privileges. After gaining root access, the attacker can mount the filesystem read-write and make permanent modifications to the device including bricking of the device, disabling vendor management of the device, preventing automatic upgrades, and permanently installing malicious code on the device. |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12789 |
CPE : Common Platform Enumeration
Type | Description | Count |
---|---|---|
Os | 1 |
Sources (Detail)
Source | Url |
---|---|
MISC | http://seclists.org/fulldisclosure/2019/Jun/10 https://www.actiontec.com/blog/ |
Alert History
Date | Informations |
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2020-09-03 01:25:16 |
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2020-05-23 02:22:21 |
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2019-06-21 05:19:10 |
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2019-06-17 21:19:34 |
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