NVD Vulnerability Detail
Search Exploit, PoC
CVE-2021-28509
Summary

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.

Publication Date May 27, 2022, 5:15 a.m.
Registration Date May 27, 2022, 10 a.m.
Last Update Nov. 21, 2024, 2:59 p.m.
CVSS3.1 : MEDIUM
スコア 6.1
Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 低
攻撃に必要な特権レベル(PR) 高
利用者の関与(UI) 要
影響の想定範囲(S) 変更なし
機密性への影響(C) 高
完全性への影響(I) 高
可用性への影響(A) なし
CVSS2.0 : LOW
Score 3.6
Vector AV:N/AC:H/Au:S/C:P/I:P/A:N
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC) 高
攻撃前の認証要否(Au) 単一
機密性への影響(C) 低
完全性への影響(I) 低
可用性への影響(A) なし
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required はい
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.10.11
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.11.0 1.16.8
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.17.0 1.19.2
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.23 4.23.11
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.24 4.24.10
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25 4.25.8
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.26 4.26.6
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.27 4.27.4
execution environment
1 cpe:2.3:h:arista:ccs-722xpm-48y4:-:*:*:*:*:*:*:*
2 cpe:2.3:h:arista:ccs-722xpm-48zy8:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.10.11
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.11.0 1.16.8
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.17.0 1.19.2
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.23 4.23.11
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.24 4.24.10
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25 4.25.8
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.26 4.26.6
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.27 4.27.4
execution environment
1 cpe:2.3:h:arista:7050cx3-32s:-:*:*:*:*:*:*:*
2 cpe:2.3:h:arista:7050cx3m-32s:-:*:*:*:*:*:*:*
3 cpe:2.3:h:arista:7050sx3-48c8:-:*:*:*:*:*:*:*
4 cpe:2.3:h:arista:7050sx3-48yc:-:*:*:*:*:*:*:*
5 cpe:2.3:h:arista:7050sx3-48yc12:-:*:*:*:*:*:*:*
6 cpe:2.3:h:arista:7050sx3-48yc8:-:*:*:*:*:*:*:*
7 cpe:2.3:h:arista:7050sx3-96yc8:-:*:*:*:*:*:*:*
8 cpe:2.3:h:arista:7050tx3-48c8:-:*:*:*:*:*:*:*
9 cpe:2.3:h:arista:dcs-7050cx3-32s:-:*:*:*:*:*:*:*
10 cpe:2.3:h:arista:dcs-7050cx3-32s-r:-:*:*:*:*:*:*:*
11 cpe:2.3:h:arista:dcs-7050cx3m-32s:-:*:*:*:*:*:*:*
12 cpe:2.3:h:arista:dcs-7050sx3-48c8:-:*:*:*:*:*:*:*
13 cpe:2.3:h:arista:dcs-7050sx3-48yc12:-:*:*:*:*:*:*:*
14 cpe:2.3:h:arista:dcs-7050sx3-48yc8:-:*:*:*:*:*:*:*
15 cpe:2.3:h:arista:dcs-7050sx3-96yc8:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.10.11
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.11.0 1.16.8
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.17.0 1.19.2
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.23 4.23.11
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.24 4.24.10
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25 4.25.8
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.26 4.26.6
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.27 4.27.4
execution environment
1 cpe:2.3:h:arista:7280cr2ak-30:-:*:*:*:*:*:*:*
2 cpe:2.3:h:arista:7280cr2k-60:-:*:*:*:*:*:*:*
3 cpe:2.3:h:arista:7280cr3-32d4:-:*:*:*:*:*:*:*
4 cpe:2.3:h:arista:7280cr3-32p4:-:*:*:*:*:*:*:*
5 cpe:2.3:h:arista:7280cr3-96:-:*:*:*:*:*:*:*
6 cpe:2.3:h:arista:7280cr3k-32d4:-:*:*:*:*:*:*:*
7 cpe:2.3:h:arista:7280cr3k-32p4:-:*:*:*:*:*:*:*
8 cpe:2.3:h:arista:7280cr3k-96:-:*:*:*:*:*:*:*
9 cpe:2.3:h:arista:7280dr3-24:-:*:*:*:*:*:*:*
10 cpe:2.3:h:arista:7280dr3k-24:-:*:*:*:*:*:*:*
11 cpe:2.3:h:arista:7280pr3-24:-:*:*:*:*:*:*:*
12 cpe:2.3:h:arista:7280pr3k-24:-:*:*:*:*:*:*:*
13 cpe:2.3:h:arista:7280r2:-:*:*:*:*:*:*:*
14 cpe:2.3:h:arista:7280r3:-:*:*:*:*:*:*:*
15 cpe:2.3:h:arista:7280sr3-48yc8:-:*:*:*:*:*:*:*
16 cpe:2.3:h:arista:7280sr3k-48yc8:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.10.11
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.11.0 1.16.8
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.17.0 1.19.2
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.23 4.23.11
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.24 4.24.10
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25 4.25.8
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.26 4.26.6
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.27 4.27.4
execution environment
1 cpe:2.3:h:arista:7500r2:-:*:*:*:*:*:*:*
2 cpe:2.3:h:arista:7500r3:-:*:*:*:*:*:*:*
3 cpe:2.3:h:arista:7500r3-24d:-:*:*:*:*:*:*:*
4 cpe:2.3:h:arista:7500r3-24p:-:*:*:*:*:*:*:*
5 cpe:2.3:h:arista:7500r3-36cq:-:*:*:*:*:*:*:*
6 cpe:2.3:h:arista:7500r3k-36cq:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.10.11
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.11.0 1.16.8
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.17.0 1.19.2
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.23 4.23.11
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.24 4.24.10
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25 4.25.8
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.26 4.26.6
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.27 4.27.4
execution environment
1 cpe:2.3:h:arista:7800r3-36p:-:*:*:*:*:*:*:*
2 cpe:2.3:h:arista:7800r3-48cq:-:*:*:*:*:*:*:*
3 cpe:2.3:h:arista:7800r3k-48cq:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.10.11
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.11.0 1.16.8
cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:* 1.17.0 1.19.2
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.23 4.23.11
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.24 4.24.10
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.25 4.25.8
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.26 4.26.6
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.27 4.27.4
execution environment
1 cpe:2.3:h:arista:7388x5:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
複数の Arista Networks, Inc. 製品における重要な情報の平文での送信に関する脆弱性
Title 複数の Arista Networks, Inc. 製品における重要な情報の平文での送信に関する脆弱性
Summary

TerminAttr、Arista EOS、TerminAttr 等複数の Arista Networks, Inc. 製品には、重要な情報の平文での送信に関する脆弱性が存在します。

Possible impacts 情報を取得される、および情報を改ざんされる可能性があります。
Solution

ベンダアドバイザリまたはパッチ情報が公開されています。参考情報を参照して適切な対策を実施してください。
Publication Date March 16, 2021, midnight
Registration Date Aug. 15, 2023, 5:13 p.m.
Last Update Aug. 15, 2023, 5:13 p.m.
Affected System
Arista Networks, Inc.
Arista EOS 4.23 から 4.23.11
Arista EOS 4.24 以上 4.24.10 未満
Arista EOS 4.25 以上 4.25.8 未満
Arista EOS 4.26 以上 4.26.6 未満
Arista EOS 4.27 以上 4.27.4 未満
TerminAttr 1.10.11 未満
TerminAttr 1.11.0 以上 1.16.8 未満
TerminAttr 1.17.0 以上 1.19.2 未満
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
その他
Change Log
No Changed Details Date of change
1 [2023年08月15日]
  掲載		 Aug. 15, 2023, 5:13 p.m.