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01 Record

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

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.98% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 62.0% of scored records. A rank, not a probability.
NVD base score
5.3 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-12-28 18:16Z5 YR AGO
Last updated
2024-08-04 13:30Z2 YR AGO
Reserved
2020-07-22
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
a9f04be9a8b2927741424ef59979878421e5833a8fdfdd798b75f045a6b17ec9

05 Affected products

VendorProductVersionsPlatforms
arista7050cx3-32sNot specified—
arista7050cx3m-32sNot specified—
arista7050qx-32sNot specified—
arista7050qx2-32sNot specified—
arista7050sx-128Not specified—
arista7050sx-64Not specified—
arista7050sx-72qNot specified—
arista7050sx2-128Not specified—
arista7050sx2-72qNot specified—
arista7050sx3-48c8Not specified—
arista7050sx3-48ycNot specified—
arista7050sx3-48yc12Not specified—
arista7050sx3-48yc8Not specified—
arista7050sx3-96yc8Not specified—
arista7050tx-48Not specified—
arista7050tx-64Not specified—
arista7050tx-72qNot specified—
arista7050tx2-128Not specified—
arista7050tx3-48c8Not specified—
arista7060cx-32sNot specified—
arista7060cx2-32sNot specified—
arista7060dx4-32Not specified—
arista7060px4-32Not specified—
arista7060sx2-48yc6Not specified—
arista7170-32cNot specified—
arista7170-32cdNot specified—
arista7170-64cNot specified—
arista720xp-24y6Not specified—
arista720xp-24zy4Not specified—
arista720xp-48y6Not specified—
arista720xp-48zc2Not specified—
arista720xp-96zc2Not specified—
arista7250qx-64Not specified—
arista7260cxNot specified—
arista7260cx3Not specified—
arista7260cx3-64Not specified—
arista7260qxNot specified—
arista7300x-32qNot specified—
arista7300x-64sNot specified—
arista7300x-64tNot specified—
arista7300x3-32cNot specified—
arista7300x3-48yc4Not specified—
arista7304x3Not specified—
arista7308x3Not specified—
arista7320x-32cNot specified—
arista7324xNot specified—
arista7328xNot specified—
arista7368x4Not specified—
aristaeosNot specified—

06 References