Executive Summary
Informations | |||
---|---|---|---|
Name | CVE-2020-3455 | First vendor Publication | 2020-10-21 |
Vendor | Cve | Last vendor Modification | 2020-10-28 |
Security-Database Scoring CVSS v3
Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | |||
---|---|---|---|
Overall CVSS Score | 7.8 | ||
Base Score | 7.8 | Environmental Score | 7.8 |
impact SubScore | 5.9 | Temporal Score | 7.8 |
Exploitabality Sub Score | 1.8 | ||
Attack Vector | Local | Attack Complexity | Low |
Privileges Required | Low | 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
A vulnerability in the secure boot process of Cisco FXOS Software could allow an authenticated, local attacker to bypass the secure boot mechanisms. The vulnerability is due to insufficient protections of the secure boot process. An attacker could exploit this vulnerability by injecting code into a specific file that is then referenced during the device boot process. A successful exploit could allow the attacker to break the chain of trust and inject code into the boot process of the device which would be executed at each boot and maintain persistence across reboots. |
Original Source
Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-3455 |
CPE : Common Platform Enumeration
Sources (Detail)
Source | Url |
---|---|
CISCO | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s... |
Alert History
Date | Informations |
---|---|
2023-09-06 02:05:23 |
|
2023-04-21 12:53:33 |
|
2023-04-21 01:56:33 |
|
2022-11-30 01:50:02 |
|
2020-10-29 01:30:35 |
|
2020-10-29 00:22:59 |
|
2020-10-22 05:23:03 |
|
2020-10-22 00:23:03 |
|