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[email protected]CVE-2021-21502

HistoryFeb 09, 2021 - 10:15 p.m.

CVE-2021-21502

2021-02-0922:15:13

CWE-287

[email protected]

web.nvd.nist.gov

cve-2021-21502

dell

powerscale

onefs

ssh key

vulnerability

nvd

account expiration

privilege escalation

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.1%

JSON

Dell PowerScale OneFS versions 8.1.0 – 9.1.0 contain a “use of SSH key past account expiration” vulnerability. A user on the network with the ISI_PRIV_AUTH_SSH RBAC privilege that has an expired account may potentially exploit this vulnerability, giving them access to the same things they had before account expiration. This may by a high privileged account and hence Dell recommends customers upgrade at the earliest opportunity.

Affected configurations

NVD

Node

dellemc_powerscale_onefsMatch8.1.0

dellemc_powerscale_onefsMatch8.1.1

dellemc_powerscale_onefsMatch8.1.2

dellemc_powerscale_onefsMatch8.2.0

dellemc_powerscale_onefsMatch8.2.1

dellemc_powerscale_onefsMatch8.2.2

dellemc_powerscale_onefsMatch9.0.0

dellemc_powerscale_onefsMatch9.1.0

CPENameOperatorVersion
dell:emc_powerscale_onefsdell emc powerscale onefseq8.1.0
dell:emc_powerscale_onefsdell emc powerscale onefseq8.1.1
dell:emc_powerscale_onefsdell emc powerscale onefseq8.1.2
dell:emc_powerscale_onefsdell emc powerscale onefseq8.2.0
dell:emc_powerscale_onefsdell emc powerscale onefseq8.2.1
dell:emc_powerscale_onefsdell emc powerscale onefseq8.2.2
dell:emc_powerscale_onefsdell emc powerscale onefseq9.0.0
dell:emc_powerscale_onefsdell emc powerscale onefseq9.1.0

CPE	Name	Operator	Version
dell:emc_powerscale_onefs	dell emc powerscale onefs	eq	8.1.0
dell:emc_powerscale_onefs	dell emc powerscale onefs	eq	8.1.1
dell:emc_powerscale_onefs	dell emc powerscale onefs	eq	8.1.2
dell:emc_powerscale_onefs	dell emc powerscale onefs	eq	8.2.0
dell:emc_powerscale_onefs	dell emc powerscale onefs	eq	8.2.1
dell:emc_powerscale_onefs	dell emc powerscale onefs	eq	8.2.2
dell:emc_powerscale_onefs	dell emc powerscale onefs	eq	9.0.0
dell:emc_powerscale_onefs	dell emc powerscale onefs	eq	9.1.0

CNA Affected

[
  {
    "product": "PowerScale OneFS",
    "vendor": "Dell",
    "versions": [
      {
        "lessThan": "8.1.2 / 8.2.2 / 9.1.0.x / Empire / Main",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]

References

www.dell.com/support/kbdoc/en-us/000182873/dsa-2021-009-dell-powerscale-onefs-security-update-for-multiple-vulnerabilities

7.5 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

9 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

70.1%

JSON

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