CVE-2020-26569

In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded…

published December 28, 2020

CVSS
—
EPSS
1%
Percentile
57.8
In the wild
Unconfirmed
What it is

In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded across VLAN boundaries. This can result in traffic being discarded on the receiving VLAN. This affects versions: 4.21.12M and below releases in the 4.21.x train; 4.22.7M and below releases in the 4.22.x train; 4.23.5M and below releases in the 4.23.x train; 4.24.2F and below releases in the 4.24.x train.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00851 · 57.8th percentile
Published
2020-12-28T15:52Z
EPSS history
Timeline
  • 28 DEC 15:52Z
    In EVPN VxLAN setups in Arista EOS, specific malformed packets can lead to incorrect MAC to IP bindings and as a result packets can be incorrectly forwarded…
    cvelistv5