Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

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.

Published

2020-04-16T19:15:22.383

Last Modified

2024-11-21T04:33:53.790

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    NVD-CWE-noinfo
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System arista eos ≤ 4.21.8m Yes
Operating System arista eos ≤ 4.22.3m Yes
Operating System arista eos ≤ 4.23.1f Yes
Operating System arista eos 4.15 Yes
Operating System arista eos 4.16 Yes
Operating System arista eos 4.17 Yes
Operating System arista eos 4.18 Yes
Operating System arista eos 4.19 Yes
Operating System arista eos 4.20 Yes
References