Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2021-28506

Severity CVSS v4.0:
Pending analysis
Type:
CWE-306 Missing Authentication for Critical Function
Publication date:
14/01/2022
Last modified:
14/07/2022

Description

An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.10 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): High
Availability (A): High

Base Score 3.x
9.10
Severity 3.x
CRITICAL
Vector 2.0
AV:N/AC:L/Au:N/C:N/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.40 HIGH
Vector: AV:N/AC:L/Au:N/C:N/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.40
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.24.0 (including) 4.24.7m (including)
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25.0 (including) 4.25.3 (including)
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25.4 (including) 4.25.4m (including)
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25.5 (including) 4.25.5.1m (including)
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.26.0 (including) 4.26.2f (including)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools