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MEDIUM · 5.3

CVE-2020-15898

In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction. This vulnerability is only susceptible to exploitation by unidirectional traffic (ex. UDP) and not...

Vulnerability Description

In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction. This vulnerability is only susceptible to exploitation by unidirectional traffic (ex. UDP) and not bidirectional traffic (ex. TCP). This affects: EOS 7170 platforms version 4.21.4.1F and below releases in the 4.21.x train; EOS X-Series versions 4.21.11M and below releases in the 4.21.x train; 4.22.6M and below releases in the 4.22.x train; 4.23.4M and below releases in the 4.23.x train; 4.24.2.1F and below releases in the 4.24.x train.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
AristaEos>= 4.21.0f, <= 4.21.4.1f
Arista7170-32C-
Arista7170-32Cd-
Arista7170-64C-
Arista7050Cx3-32S-
Arista7050Cx3M-32S-
Arista7050Qx-32S-
Arista7050Qx2-32S-
Arista7050Sx-128-
Arista7050Sx-64-
Arista7050Sx-72Q-
Arista7050Sx2-128-
Arista7050Sx2-72Q-
Arista7050Sx3-48C8-
Arista7050Sx3-48Yc-
Arista7050Sx3-48Yc12-
Arista7050Sx3-48Yc8-
Arista7050Sx3-96Yc8-
Arista7050Tx-48-
Arista7050Tx-64-

References

FAQ

What is CVE-2020-15898?

CVE-2020-15898 is a vulnerability with a CVSS score of 5.3 (MEDIUM). In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction. This vulnerability is only susceptible to exploitation by unidirectional traffic (ex. UDP) and not...

How severe is CVE-2020-15898?

CVE-2020-15898 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-15898?

Check the references section above for vendor advisories and patch information. Affected products include: Arista Eos, Arista 7170-32C, Arista 7170-32Cd, Arista 7170-64C, Arista 7050Cx3-32S.