CVE-2020-17355 — HIGH (7.5)

Q: How severe is CVE-2020-17355?

CVE-2020-17355 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2020-17355?

Check the references section above for vendor advisories and patch information. Affected products include: Arista Eos.

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Arista	Eos	>= 4.21.0, < 4.21.12m

References

https://www.arista.com/en/support/advisories-notices/security-advisories/11759-sVendor Advisory
https://www.arista.com/en/support/advisories-notices/security-advisories/11759-sVendor Advisory

FAQ

What is CVE-2020-17355?

CVE-2020-17355 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 DHC...

How severe is CVE-2020-17355?

CVE-2020-17355 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-17355?

Check the references section above for vendor advisories and patch information. Affected products include: Arista Eos.