// For flags

CVE-2020-17355

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause a denial of service (restart of agents) by crafting a malformed DHCP packet which leads to an incorrect route being installed.

Arista EOS versiones anteriores a 4.21.12M, 4.22.x versiones anteriores a 4.22.7M, 4.23.x versiones anteriores a 4.23.5M y 4.24.x versiones anteriores a 4.24.2F, permite a atacantes remotos causar una denegación de servicio (reinicio de agentes) por medio de la creación de un paquete DHCP malformado que conlleva a la instalación de una ruta inapropiada

*Credits: N/A
CVSS Scores
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
  • 2020-08-05 CVE Reserved
  • 2020-10-21 CVE Published
  • 2023-07-07 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
>= 4.21.0 < 4.21.12m
Search vendor "Arista" for product "Eos" and version " >= 4.21.0 < 4.21.12m"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
>= 4.22 < 4.22.7m
Search vendor "Arista" for product "Eos" and version " >= 4.22 < 4.22.7m"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
>= 4.23 < 4.23.5m
Search vendor "Arista" for product "Eos" and version " >= 4.23 < 4.23.5m"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
>= 4.24.0 < 4.24.2f
Search vendor "Arista" for product "Eos" and version " >= 4.24.0 < 4.24.2f"
-
Affected