CVE-2020-11622

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A vulnerability exists in Arista’s Cloud EOS VM / vEOS 4.23.2M and below releases in the 4.23.x train, 4.22.4M and below releases in the 4.22.x train, 4.21.3M to 4.21.9M releases in the 4.21.x train, 4.21.3FX-7368.*, 4.21.4-FCRFX.*, 4.21.4.1, 4.21.7.1, 4.22.2.0.1, 4.22.2.2.1, 4.22.3.1, and 4.23.2.1 Router code in a scenario where TCP MSS options are configured.

Se presenta una vulnerabilidad en Cloud EOS VM / vEOS de Arista versiones 4.23.2M e publicaciones inferiores en el código del Enrutador 4.23.x train, 4.22.4M y publicaciones inferiores en 4.22.x train, versiones 4.21.3M hasta 4.21.9M en 4.21.x train , 4.21.3FX-7368.*, 4.21.4-FCRFX.*, 4.21.4.1, 4.21.7.1, 4.22.2.0.1, 4.22.2.2.1, 4.22.3.1 y 4.23.2.1, en un escenario donde las opciones TCP MSS son configuradas

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-04-07 CVE Reserved
2020-06-10 CVE Published
2023-03-07 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (2)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://www.arista.com/en/support/advisories-notices	2020-06-23
https://www.arista.com/en/support/advisories-notices/security-advisories/11195-security-advisory-49	2020-06-23

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				>= 4.21.3m <= 4.21.9m Search vendor "Arista" for product "Cloudeos" and version " >= 4.21.3m <= 4.21.9m"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				>= 4.22.0 <= 4.22.4m Search vendor "Arista" for product "Cloudeos" and version " >= 4.22.0 <= 4.22.4m"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				>= 4.23.0 <= 4.23.2m Search vendor "Arista" for product "Cloudeos" and version " >= 4.23.0 <= 4.23.2m"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				4.21.3fx-7368 Search vendor "Arista" for product "Cloudeos" and version "4.21.3fx-7368"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				4.21.4-fcrfx Search vendor "Arista" for product "Cloudeos" and version "4.21.4-fcrfx"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				4.21.4.1 Search vendor "Arista" for product "Cloudeos" and version "4.21.4.1"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				4.21.7.1 Search vendor "Arista" for product "Cloudeos" and version "4.21.7.1"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				4.22.2.0.1 Search vendor "Arista" for product "Cloudeos" and version "4.22.2.0.1"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				4.22.2.2.1 Search vendor "Arista" for product "Cloudeos" and version "4.22.2.2.1"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				4.22.3.1 Search vendor "Arista" for product "Cloudeos" and version "4.22.3.1"		-		Affected
Arista Search vendor "Arista"		Cloudeos Search vendor "Arista" for product "Cloudeos"				4.23.2.1 Search vendor "Arista" for product "Cloudeos" and version "4.23.2.1"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				>= 4.21.3m <= 4.21.9m Search vendor "Arista" for product "Veos" and version " >= 4.21.3m <= 4.21.9m"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				>= 4.22.0 <= 4.22.4m Search vendor "Arista" for product "Veos" and version " >= 4.22.0 <= 4.22.4m"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				>= 4.23.0 <= 4.23.2m Search vendor "Arista" for product "Veos" and version " >= 4.23.0 <= 4.23.2m"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				4.21.3fx-7368 Search vendor "Arista" for product "Veos" and version "4.21.3fx-7368"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				4.21.4-fcrfx Search vendor "Arista" for product "Veos" and version "4.21.4-fcrfx"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				4.21.4.1 Search vendor "Arista" for product "Veos" and version "4.21.4.1"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				4.21.7.1 Search vendor "Arista" for product "Veos" and version "4.21.7.1"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				4.22.2.0.1 Search vendor "Arista" for product "Veos" and version "4.22.2.0.1"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				4.22.2.2.1 Search vendor "Arista" for product "Veos" and version "4.22.2.2.1"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				4.22.3.1 Search vendor "Arista" for product "Veos" and version "4.22.3.1"		-		Affected
Arista Search vendor "Arista"		Veos Search vendor "Arista" for product "Veos"				4.23.2.1 Search vendor "Arista" for product "Veos" and version "4.23.2.1"		-		Affected