CVE-2020-17355

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 67%
VendorProductVersion
aristaeos
4.21.0 ≤
𝑥
< 4.21.12m
aristaeos
4.22 ≤
𝑥
< 4.22.7m
aristaeos
4.23 ≤
𝑥
< 4.23.5m
aristaeos
4.24.0 ≤
𝑥
< 4.24.2f
𝑥
= Vulnerable software versions
References
https://www.arista.com/en/support/advisories-notices/security-advisories/11759-security-advisory-53
https://www.arista.com/en/support/advisories-notices/security-advisories/11759-security-advisory-53