Vulnerability Monitor

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CVE-2021-28509

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.

Published

2022-05-26T20:15:08.500

Last Modified

2024-11-21T05:59:48.463

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:S/C:P/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: SINGLE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

3.9

Impact Score

4.9

Weaknesses
  • Type: Secondary
    CWE-255
  • Type: Primary
    CWE-319
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application arista terminattr < 1.10.11 Yes
Application arista terminattr < 1.16.8 Yes
Application arista terminattr < 1.19.2 Yes
Operating System arista eos ≤ 4.23.11 Yes
Operating System arista eos < 4.24.10 Yes
Operating System arista eos < 4.25.8 Yes
Operating System arista eos < 4.26.6 Yes
Operating System arista eos < 4.27.4 Yes
Hardware arista ccs-722xpm-48y4 - No
Hardware arista ccs-722xpm-48zy8 - No
Application arista terminattr < 1.10.11 Yes
Application arista terminattr < 1.16.8 Yes
Application arista terminattr < 1.19.2 Yes
Operating System arista eos ≤ 4.23.11 Yes
Operating System arista eos < 4.24.10 Yes
Operating System arista eos < 4.25.8 Yes
Operating System arista eos < 4.26.6 Yes
Operating System arista eos < 4.27.4 Yes
Hardware arista 7050cx3-32s - No
Hardware arista 7050cx3m-32s - No
Hardware arista 7050sx3-48c8 - No
Hardware arista 7050sx3-48yc - No
Hardware arista 7050sx3-48yc12 - No
Hardware arista 7050sx3-48yc8 - No
Hardware arista 7050sx3-96yc8 - No
Hardware arista 7050tx3-48c8 - No
Hardware arista dcs-7050cx3-32s - No
Hardware arista dcs-7050cx3-32s-r - No
Hardware arista dcs-7050cx3m-32s - No
Hardware arista dcs-7050sx3-48c8 - No
Hardware arista dcs-7050sx3-48yc12 - No
Hardware arista dcs-7050sx3-48yc8 - No
Hardware arista dcs-7050sx3-96yc8 - No
Application arista terminattr < 1.10.11 Yes
Application arista terminattr < 1.16.8 Yes
Application arista terminattr < 1.19.2 Yes
Operating System arista eos ≤ 4.23.11 Yes
Operating System arista eos < 4.24.10 Yes
Operating System arista eos < 4.25.8 Yes
Operating System arista eos < 4.26.6 Yes
Operating System arista eos < 4.27.4 Yes
Hardware arista 7280cr2ak-30 - No
Hardware arista 7280cr2k-60 - No
Hardware arista 7280cr3-32d4 - No
Hardware arista 7280cr3-32p4 - No
Hardware arista 7280cr3-96 - No
Hardware arista 7280cr3k-32d4 - No
Hardware arista 7280cr3k-32p4 - No
Hardware arista 7280cr3k-96 - No
Hardware arista 7280dr3-24 - No
Hardware arista 7280dr3k-24 - No
Hardware arista 7280pr3-24 - No
Hardware arista 7280pr3k-24 - No
Hardware arista 7280r2 - No
Hardware arista 7280r3 - No
Hardware arista 7280sr3-48yc8 - No
Hardware arista 7280sr3k-48yc8 - No
Application arista terminattr < 1.10.11 Yes
Application arista terminattr < 1.16.8 Yes
Application arista terminattr < 1.19.2 Yes
Operating System arista eos ≤ 4.23.11 Yes
Operating System arista eos < 4.24.10 Yes
Operating System arista eos < 4.25.8 Yes
Operating System arista eos < 4.26.6 Yes
Operating System arista eos < 4.27.4 Yes
Hardware arista 7500r2 - No
Hardware arista 7500r3 - No
Hardware arista 7500r3-24d - No
Hardware arista 7500r3-24p - No
Hardware arista 7500r3-36cq - No
Hardware arista 7500r3k-36cq - No
Application arista terminattr < 1.10.11 Yes
Application arista terminattr < 1.16.8 Yes
Application arista terminattr < 1.19.2 Yes
Operating System arista eos ≤ 4.23.11 Yes
Operating System arista eos < 4.24.10 Yes
Operating System arista eos < 4.25.8 Yes
Operating System arista eos < 4.26.6 Yes
Operating System arista eos < 4.27.4 Yes
Hardware arista 7800r3-36p - No
Hardware arista 7800r3-48cq - No
Hardware arista 7800r3k-48cq - No
Application arista terminattr < 1.10.11 Yes
Application arista terminattr < 1.16.8 Yes
Application arista terminattr < 1.19.2 Yes
Operating System arista eos ≤ 4.23.11 Yes
Operating System arista eos < 4.24.10 Yes
Operating System arista eos < 4.25.8 Yes
Operating System arista eos < 4.26.6 Yes
Operating System arista eos < 4.27.4 Yes
Hardware arista 7388x5 - No
References