CVE Vulnerability

CVE-2019-18948

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.arista.com/en/support/advisories-notices/security-advisories/10292-security-advisory-47 Patch Vendor Advisory
Configurations

Configuration 1

cpe:2.3:o:arista:eos:4.15:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:4.16:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:4.17:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:4.18:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:4.19:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:4.20:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
Information

Published : 2020-04-16 07:15

Updated : 2021-07-21 11:39

NVD link : CVE-2019-18948

Mitre link : CVE-2019-18948

Products Affected
No products.
CWE
NVD-CWE-noinfo