CVE-2021-28509

EUVD-2021-15185
This advisory documents the impact of an internally found vulnerability in Arista EOS state streaming telemetry agent TerminAttr and OpenConfig transport protocols. The impact of this vulnerability is that, in certain conditions, TerminAttr might leak MACsec sensitive data in clear text in CVP to other authorized users, which could cause MACsec traffic to be decrypted or modified by other authorized users on the device.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
AristaCNA
6.1 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
Affected Products (NVD)
VendorProductVersion
aristaterminattr
𝑥
< 1.10.11
aristaterminattr
1.11.0 ≤
𝑥
< 1.16.8
aristaterminattr
1.17.0 ≤
𝑥
< 1.19.2
aristaeos
4.23 ≤
𝑥
≤ 4.23.11
aristaeos
4.24 ≤
𝑥
< 4.24.10
aristaeos
4.25 ≤
𝑥
< 4.25.8
aristaeos
4.26 ≤
𝑥
< 4.26.6
aristaeos
4.27 ≤
𝑥
< 4.27.4
aristaterminattr
𝑥
< 1.10.11
aristaterminattr
1.11.0 ≤
𝑥
< 1.16.8
aristaterminattr
1.17.0 ≤
𝑥
< 1.19.2
aristaeos
4.23 ≤
𝑥
≤ 4.23.11
aristaeos
4.24 ≤
𝑥
< 4.24.10
aristaeos
4.25 ≤
𝑥
< 4.25.8
aristaeos
4.26 ≤
𝑥
< 4.26.6
aristaeos
4.27 ≤
𝑥
< 4.27.4
aristaterminattr
𝑥
< 1.10.11
aristaterminattr
1.11.0 ≤
𝑥
< 1.16.8
aristaterminattr
1.17.0 ≤
𝑥
< 1.19.2
aristaeos
4.23 ≤
𝑥
≤ 4.23.11
aristaeos
4.24 ≤
𝑥
< 4.24.10
aristaeos
4.25 ≤
𝑥
< 4.25.8
aristaeos
4.26 ≤
𝑥
< 4.26.6
aristaeos
4.27 ≤
𝑥
< 4.27.4
aristaterminattr
𝑥
< 1.10.11
aristaterminattr
1.11.0 ≤
𝑥
< 1.16.8
aristaterminattr
1.17.0 ≤
𝑥
< 1.19.2
aristaeos
4.23 ≤
𝑥
≤ 4.23.11
aristaeos
4.24 ≤
𝑥
< 4.24.10
aristaeos
4.25 ≤
𝑥
< 4.25.8
aristaeos
4.26 ≤
𝑥
< 4.26.6
aristaeos
4.27 ≤
𝑥
< 4.27.4
aristaterminattr
𝑥
< 1.10.11
aristaterminattr
1.11.0 ≤
𝑥
< 1.16.8
aristaterminattr
1.17.0 ≤
𝑥
< 1.19.2
aristaeos
4.23 ≤
𝑥
≤ 4.23.11
aristaeos
4.24 ≤
𝑥
< 4.24.10
aristaeos
4.25 ≤
𝑥
< 4.25.8
aristaeos
4.26 ≤
𝑥
< 4.26.6
aristaeos
4.27 ≤
𝑥
< 4.27.4
aristaterminattr
𝑥
< 1.10.11
aristaterminattr
1.11.0 ≤
𝑥
< 1.16.8
aristaterminattr
1.17.0 ≤
𝑥
< 1.19.2
aristaeos
4.23 ≤
𝑥
≤ 4.23.11
aristaeos
4.24 ≤
𝑥
< 4.24.10
aristaeos
4.25 ≤
𝑥
< 4.25.8
aristaeos
4.26 ≤
𝑥
< 4.26.6
aristaeos
4.27 ≤
𝑥
< 4.27.4
𝑥
= Vulnerable software versions