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cveAristaCVE-2021-28506
HistoryJan 14, 2022 - 8:15 p.m.

CVE-2021-28506

2022-01-1420:15:10
CWE-285
CWE-306
CWE-862
Arista
web.nvd.nist.gov
34
cve-2021-28506
arista eos
gnoi apis
authorization
authentication
factory reset
nvd

CVSS2

9.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/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

9.2

Confidence

High

EPSS

0.001

Percentile

38.4%

JSON

An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.

Affected configurations

Nvd
Node
aristaeosRange4.24.0–4.24.7m
OR
aristaeosRange4.25.0–4.25.3
OR
aristaeosRange4.25.4–4.25.4m
OR
aristaeosRange4.25.5–4.25.5.1m
OR
aristaeosRange4.26.0–4.26.2f
VendorProductVersionCPE
aristaeos*cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "product": "EOS",
    "vendor": "Arista Networks",
    "versions": [
      {
        "lessThanOrEqual": "4.26.0",
        "status": "affected",
        "version": "4.26.2F",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.25.5",
        "status": "affected",
        "version": "4.25.5.1M",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.25.4",
        "status": "affected",
        "version": "4.25.4M",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.25.0",
        "status": "affected",
        "version": "4.25.3",
        "versionType": "custom"
      },
      {
        "lessThanOrEqual": "4.24.2F",
        "status": "affected",
        "version": "4.24.7M",
        "versionType": "custom"
      }
    ]
  }
]

Related

prion 1
nvd 1
cvelist 1
arista 1
prion
prion
Authentication flaw
2022-01-14 20:15:00
nvd
nvd
CVE-2021-28506
2022-01-14 20:15:10
cvelist
cvelist
CVE-2021-28506 An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.
2022-01-14 19:04:50
arista
arista
Security Advisory 0071
2022-01-11 00:00:00

CVSS2

9.4

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/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

9.2

Confidence

High

EPSS

0.001

Percentile

38.4%

JSON
Related for CVE-2021-28506
prion1nvd1cvelist1arista1