CVEvulnerability

CVE-2020-15898

5.3 MEDIUM Published 2020-12-28 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-12-28
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N

Description

In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction. This vulnerability is only susceptible to exploitation by unidirectional traffic (ex. UDP) and not bidirectional traffic (ex. TCP). This affects: EOS 7170 platforms version 4.21.4.1F and below releases in the 4.21.x train; EOS X-Series versions 4.21.11M and below releases in the 4.21.x train; 4.22.6M and below releases in the 4.22.x train; 4.23.4M and below releases in the 4.23.x train; 4.24.2.1F and below releases in the 4.24.x train.

Affected configurations

• arista eos (>= 4.21.0f <= 4.21.4.1f) • arista eos (>= 4.21.0f <= 4.21.11m) • arista eos (>= 4.22.0f <= 4.22.6m) • arista eos (>= 4.23.0f <= 4.23.4m) • arista eos (>= 4.24.0f <= 4.24.2.1f)

References