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Status published
High
CVE-2020-17355
Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M,...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
More from arista
View All →CVE-2020-9015
Arista DCS-7050QX-32S-R 4.20.9M, DCS-7050CX3-32S-R 4.20.11M, and DCS-7280SRAM-48C6-R 4.22.0.1F devices (and...
Critical
9.8
CVE-2020-26569
In EVPN VxLAN setups in Arista EOS, specific malformed packets...
Medium
5.9
CVE-2020-24360
An issue with ARP packets in Arista’s EOS affecting the...
High
7.4
CVE-2020-24333
A vulnerability in Arista’s CloudVision Portal (CVP) prior to 2020.2...
Medium
6.5
CVE-2020-15898
In Arista EOS malformed packets can be incorrectly forwarded across...
Medium
5.3
Affected Vendor
arista
View all reports →Affected Software
eos
Vulnerable Versions:
4.21.0, 4.22, 4.23, 4.24.0
Timeline
Official Publish:
October 21st, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.