CVE-2020-17355
mediumpriority · track · 30EPSS 0.012 · 68 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-17355cnnvd
- https://www.arista.com/en/support/advisories-notices/security-advisories/11759-security-advisory-53cnnvd
- https://www.arista.com/en/support/advisories-notices/security-advisories/11759-security-advisory-53enisa_euvd
- https://www.arista.com/en/support/advisories-notices/security-advisories/11759-security-advisory-53Vendor Advisorynvd
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