CVE-2019-14810

MEDIUM

Arista EOS 4.19-4.19.12M, 4.20-4.20.14M, 4.21.0F-4.21.7.1M, 4.22-4.22.1F DoS via LDP Race Condition

Title source: llm
STIX 2.1

Description

A vulnerability has been found in the implementation of the Label Distribution Protocol (LDP) protocol in EOS. Under race conditions, the LDP agent can establish an LDP session with a malicious peer potentially allowing the possibility of a Denial of Service (DoS) attack on route updates and in turn potentially leading to an Out of Memory (OOM) condition that is disruptive to traffic forwarding. Affected EOS versions include: 4.22 release train: 4.22.1F and earlier releases 4.21 release train: 4.21.0F - 4.21.2.3F, 4.21.3F - 4.21.7.1M 4.20 release train: 4.20.14M and earlier releases 4.19 release train: 4.19.12M and earlier releases End of support release trains (4.18 and 4.17)

References (2)

Core 2

Scores

CVSS v3 5.9
EPSS 0.0067
EPSS Percentile 47.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-362
Status published
Products (4)
arista/extensible_operating_system 4.17
arista/extensible_operating_system 4.18
arista/extensible_operating_system 4.22.1f
arista/extensible_operating_system 4.19 - 4.19.12m
Published Oct 10, 2019
Tracked Since Feb 18, 2026