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cveAristaCVE-2021-28501
HistoryJan 14, 2022 - 8:15 p.m.

CVE-2021-28501

2022-01-1420:15:10
CWE-285
Arista
web.nvd.nist.gov
30
cve-2021-28501
arista eos
aaa api
openconfig
terminattr
access control
security vulnerability
nvd

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

AI Score

7.5

Confidence

High

EPSS

0

Percentile

5.1%

An issue has recently been discovered in Arista EOS where the incorrect use of EOS’s AAA API’s by the OpenConfig and TerminAttr agents could result in unrestricted access to the device for local users with nopassword configuration.

Affected configurations

Nvd
Node
aristaterminattrRange1.16.2
VendorProductVersionCPE
aristaterminattr*cpe:2.3:a:arista:terminattr:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "Terminattr",
    "vendor": "Arista Networks",
    "versions": [
      {
        "status": "affected",
        "version": "1.16.2 0"
      }
    ]
  }
]

CVSS2

6.9

Attack Vector

LOCAL

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

CVSS3

9.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

AI Score

7.5

Confidence

High

EPSS

0

Percentile

5.1%

Related for CVE-2021-28501