// For flags

CVE-2019-18948

 

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

An issue was found in Arista EOS. Specific malformed ARP packets can impact the software forwarding of VxLAN packets. This issue is found in Arista’s EOS VxLAN code, which can allow attackers to crash the VxlanSwFwd agent. This affects EOS 4.21.8M and below releases in the 4.21.x train, 4.22.3M and below releases in the 4.22.x train, 4.23.1F and below releases in the 4.23.x train, and all releases in 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 code train.

Se encontró un problema en Arista EOS. Los paquetes ARP malformados específicos pueden afectar el reenvío de software de los paquetes VxLAN. Este problema se encuentra en el código EOS VxLAN de Arista, que puede permitir a los atacantes bloquear el agente VxlanSwFwd. Esto afecta a EOS 4.21.8M y versiones anteriores en el tren 4.21.x, 4.22.3M y versiones anteriores en el tren 4.22.x, 4.23.1F y versiones anteriores en el tren 4.23.x, y todas las versiones en 4.15, 4.16, 4.17, 4.18, 4.19, 4.20 tren de código

*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
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-11-13 CVE Reserved
  • 2020-04-16 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-05 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 <= 4.21.8m
Search vendor "Arista" for product "Eos" and version " >= 4.21.0 <= 4.21.8m"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
>= 4.22.0 <= 4.22.3m
Search vendor "Arista" for product "Eos" and version " >= 4.22.0 <= 4.22.3m"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
>= 4.23.0 <= 4.23.1f
Search vendor "Arista" for product "Eos" and version " >= 4.23.0 <= 4.23.1f"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
4.15
Search vendor "Arista" for product "Eos" and version "4.15"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
4.16
Search vendor "Arista" for product "Eos" and version "4.16"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
4.17
Search vendor "Arista" for product "Eos" and version "4.17"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
4.18
Search vendor "Arista" for product "Eos" and version "4.18"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
4.19
Search vendor "Arista" for product "Eos" and version "4.19"
-
Affected
Arista
Search vendor "Arista"
Eos
Search vendor "Arista" for product "Eos"
4.20
Search vendor "Arista" for product "Eos" and version "4.20"
-
Affected