CVE-2020-15898 — EOS vulnerability

3 documents3 sources

Severity

5.3MEDIUMNVD

EPSS

0.2%

top 56.20%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Arista EOS

Timeline

PublishedDec 28

Latest updateMay 24

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; 4.24.2.1…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages1 packages

▶NVDarista/eos4.21.0f — 4.21.4.1f+4

🔴Vulnerability Details

GHSA

GHSA-63qj-x5v8-6jj4: In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction↗2022-05-24

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CVEList

CVE-2020-15898: In Arista EOS malformed packets can be incorrectly forwarded across VLAN boundaries in one direction↗2020-12-28

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