NVD Vulnerability Detail
Search Exploit, PoC
CVE-2020-15898
Summary

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.

Publication Date Dec. 29, 2020, 4:15 a.m.
Registration Date Jan. 26, 2021, 11:53 a.m.
Last Update Nov. 21, 2024, 2:06 p.m.
CVSS3.1 : MEDIUM
スコア 5.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) なし
完全性への影響(I) 低
可用性への影響(A) なし
CVSS2.0 : MEDIUM
Score 5.0
Vector AV:N/AC:L/Au:N/C:N/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) 低
攻撃前の認証要否(Au) 不要
機密性への影響(C) なし
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 いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.21.0f 4.21.4.1f
execution environment
1 cpe:2.3:h:arista:7170-32c:-:*:*:*:*:*:*:*
2 cpe:2.3:h:arista:7170-32cd:-:*:*:*:*:*:*:*
3 cpe:2.3:h:arista:7170-64c:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.21.0f 4.21.11m
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.22.0f 4.22.6m
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.23.0f 4.23.4m
cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:* 4.24.0f 4.24.2.1f
execution environment
1 cpe:2.3:h:arista:7050cx3-32s:-:*:*:*:*:*:*:*
2 cpe:2.3:h:arista:7050cx3m-32s:-:*:*:*:*:*:*:*
3 cpe:2.3:h:arista:7050qx-32s:-:*:*:*:*:*:*:*
4 cpe:2.3:h:arista:7050qx2-32s:-:*:*:*:*:*:*:*
5 cpe:2.3:h:arista:7050sx-128:-:*:*:*:*:*:*:*
6 cpe:2.3:h:arista:7050sx-64:-:*:*:*:*:*:*:*
7 cpe:2.3:h:arista:7050sx-72q:-:*:*:*:*:*:*:*
8 cpe:2.3:h:arista:7050sx2-128:-:*:*:*:*:*:*:*
9 cpe:2.3:h:arista:7050sx2-72q:-:*:*:*:*:*:*:*
10 cpe:2.3:h:arista:7050sx3-48c8:-:*:*:*:*:*:*:*
11 cpe:2.3:h:arista:7050sx3-48yc:-:*:*:*:*:*:*:*
12 cpe:2.3:h:arista:7050sx3-48yc12:-:*:*:*:*:*:*:*
13 cpe:2.3:h:arista:7050sx3-48yc8:-:*:*:*:*:*:*:*
14 cpe:2.3:h:arista:7050sx3-96yc8:-:*:*:*:*:*:*:*
15 cpe:2.3:h:arista:7050tx-48:-:*:*:*:*:*:*:*
16 cpe:2.3:h:arista:7050tx-64:-:*:*:*:*:*:*:*
17 cpe:2.3:h:arista:7050tx-72q:-:*:*:*:*:*:*:*
18 cpe:2.3:h:arista:7050tx2-128:-:*:*:*:*:*:*:*
19 cpe:2.3:h:arista:7050tx3-48c8:-:*:*:*:*:*:*:*
20 cpe:2.3:h:arista:7060cx-32s:-:*:*:*:*:*:*:*
21 cpe:2.3:h:arista:7060cx2-32s:-:*:*:*:*:*:*:*
22 cpe:2.3:h:arista:7060dx4-32:-:*:*:*:*:*:*:*
23 cpe:2.3:h:arista:7060px4-32:-:*:*:*:*:*:*:*
24 cpe:2.3:h:arista:7060sx2-48yc6:-:*:*:*:*:*:*:*
25 cpe:2.3:h:arista:720xp-24y6:-:*:*:*:*:*:*:*
26 cpe:2.3:h:arista:720xp-24zy4:-:*:*:*:*:*:*:*
27 cpe:2.3:h:arista:720xp-48y6:-:*:*:*:*:*:*:*
28 cpe:2.3:h:arista:720xp-48zc2:-:*:*:*:*:*:*:*
29 cpe:2.3:h:arista:720xp-96zc2:-:*:*:*:*:*:*:*
30 cpe:2.3:h:arista:7250qx-64:-:*:*:*:*:*:*:*
31 cpe:2.3:h:arista:7260cx:-:*:*:*:*:*:*:*
32 cpe:2.3:h:arista:7260cx3:-:*:*:*:*:*:*:*
33 cpe:2.3:h:arista:7260cx3-64:-:*:*:*:*:*:*:*
34 cpe:2.3:h:arista:7260qx:-:*:*:*:*:*:*:*
35 cpe:2.3:h:arista:7300x-32q:-:*:*:*:*:*:*:*
36 cpe:2.3:h:arista:7300x-64s:-:*:*:*:*:*:*:*
37 cpe:2.3:h:arista:7300x-64t:-:*:*:*:*:*:*:*
38 cpe:2.3:h:arista:7300x3-32c:-:*:*:*:*:*:*:*
39 cpe:2.3:h:arista:7300x3-48yc4:-:*:*:*:*:*:*:*
40 cpe:2.3:h:arista:7304x3:-:*:*:*:*:*:*:*
41 cpe:2.3:h:arista:7308x3:-:*:*:*:*:*:*:*
42 cpe:2.3:h:arista:7320x-32c:-:*:*:*:*:*:*:*
43 cpe:2.3:h:arista:7324x:-:*:*:*:*:*:*:*
44 cpe:2.3:h:arista:7328x:-:*:*:*:*:*:*:*
45 cpe:2.3:h:arista:7368x4:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
Arista EOS における脆弱性
Title Arista EOS における脆弱性
Summary

Arista EOS には、不特定の脆弱性が存在します。

Possible impacts 情報を改ざんされる可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date Dec. 16, 2020, midnight
Registration Date Sept. 7, 2021, 6:05 p.m.
Last Update Sept. 7, 2021, 6:05 p.m.
Affected System
Arista Networks, Inc.
Arista EOS 4.21.11M までの 4.21.x
Arista EOS 4.21.4.1F までの 4.21.x
Arista EOS 4.22.6M までの 4.22.x
Arista EOS 4.23.4M までの 4.23.x
Arista EOS 4.24.2.1F までの 4.24.x
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)
ベンダー情報
Change Log
No Changed Details Date of change
1 [2021年09月07日]
  掲載		 Sept. 7, 2021, 6:05 p.m.