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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00212.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

Configuration 1 [-]

AND
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
OR cpe:2.3:h:arista:7170-32c:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7170-32cd:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7170-64c:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND
OR cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*
OR cpe:2.3:h:arista:7050cx3-32s:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050cx3m-32s:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050qx-32s:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050qx2-32s:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx-128:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx-64:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx-72q:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx2-128:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx2-72q:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx3-48c8:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx3-48yc:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx3-48yc12:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx3-48yc8:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050sx3-96yc8:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050tx-48:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050tx-64:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050tx-72q:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050tx2-128:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7050tx3-48c8:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7060cx-32s:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7060cx2-32s:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7060dx4-32:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7060px4-32:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7060sx2-48yc6:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:720xp-24y6:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:720xp-24zy4:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:720xp-48y6:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:720xp-48zc2:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:720xp-96zc2:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7250qx-64:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7260cx:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7260cx3:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7260cx3-64:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7260qx:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7300x-32q:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7300x-64s:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7300x-64t:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7300x3-32c:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7300x3-48yc4:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7304x3:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7308x3:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7320x-32c:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7324x:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7328x:-:*:*:*:*:*:*:*
cpe:2.3:h:arista:7368x4:-:*:*:*:*:*:*:*

No data.

No data.

Project Subscriptions

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-7872 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.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.arista.com/en/support/advisories-notices/security-advisories/11996-security-advisory-56 cve-icon cve-icon
History

No history.

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T13:30:23.273Z

Reserved: 2020-07-22T00:00:00

Link: CVE-2020-15898

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-12-28T19:15:12.783

Modified: 2024-11-21T05:06:24.367

Link: CVE-2020-15898

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses