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[email protected]CVE-2018-0362

HistoryJun 21, 2018 - 11:29 a.m.

CVE-2018-0362

2018-06-2111:29:00

CWE-287

[email protected]

web.nvd.nist.gov

vulnerability

bios

authentication management

cisco

5000 series

enterprise network

compute system

unified computing

ucs

e-series servers

local attacker

security restrictions

exploit

cisco bug ids

cscvh83260.

4.3 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

5 Medium

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

20.2%

JSON

A vulnerability in BIOS authentication management of Cisco 5000 Series Enterprise Network Compute System and Cisco Unified Computing (UCS) E-Series Servers could allow an unauthenticated, local attacker to bypass the BIOS authentication and execute actions as an unprivileged user. The vulnerability is due to improper security restrictions that are imposed by the affected system. An attacker could exploit this vulnerability by submitting an empty password value to an affected device’s BIOS authentication prompt. An exploit could allow the attacker to have access to a restricted set of user-level BIOS commands. Cisco Bug IDs: CSCvh83260.

Affected configurations

NVD

Node

cisco5400_enterprise_network_compute_system_firmwareMatch3.2\(3\)

AND

cisco5400_enterprise_network_compute_systemMatch-

Node

cisco5100_enterprise_network_compute_system_firmwareMatch3.2\(3\)

AND

cisco5100_enterprise_network_compute_systemMatch-

Node

ciscoucs-e160s-m3_firmwareMatch3.2\(3\)

AND

ciscoucs-e160s-m3Match-

Node

ciscoucs-e160s-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e160s-k9Match-

Node

ciscoucs-e180d-m3_firmwareMatch3.2\(3\)

AND

ciscoucs-e180d-m3Match-

Node

ciscoucs-e180d-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e180d-k9Match-

Node

ciscoucs-e1120d-m3_firmwareMatch3.2\(3\)

AND

ciscoucs-e1120d-m3Match-

Node

ciscoucs-e1120d-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e1120d-k9Match-

Node

ciscoucs-e140s-m2_firmwareMatch3.2\(3\)

AND

ciscoucs-e140s-m2Match-

Node

ciscoucs-e140s-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e140s-k9Match-

Node

ciscoucs-e160d-m2_firmwareMatch3.2\(3\)

AND

ciscoucs-e160d-m2Match-

Node

ciscoucs-e160d-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e160d-k9Match-

Node

ciscoucs-e180d-m2_firmwareMatch3.2\(3\)

AND

ciscoucs-e180d-m2Match-

Node

ciscoucs-e180d-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e180d-k9Match-

Node

ciscoucs-e140s-m1_firmwareMatch3.2\(3\)

AND

ciscoucs-e140s-m1Match-

Node

ciscoucs-e140s-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e140s-k9Match-

Node

ciscoucs-e160d-m1_firmwareMatch3.2\(3\)

AND

ciscoucs-e160d-m1Match-

Node

ciscoucs-e160d-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e160d-k9Match-

Node

ciscoucs-e160dp-m1_firmwareMatch3.2\(3\)

AND

ciscoucs-e160dp-m1Match-

Node

ciscoucs-e160dp-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e160dp-k9Match-

Node

ciscoucs-e140d-m1_firmwareMatch3.2\(3\)

AND

ciscoucs-e140d-m1Match-

Node

ciscoucs-e140d-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e140d-k9Match-

Node

ciscoucs-e140dp-m1_firmwareMatch3.2\(3\)

AND

ciscoucs-e140dp-m1Match-

Node

ciscoucs-e140dp-k9_firmwareMatch3.2\(3\)

AND

ciscoucs-e140dp-k9Match-

CPENameOperatorVersion
cisco:5400_enterprise_network_compute_system_firmwarecisco 5400 enterprise network compute system firmwareeq3.2\(3\)

CPE	Name	Operator	Version
cisco:5400_enterprise_network_compute_system_firmware	cisco 5400 enterprise network compute system firmware	eq	3.2\(3\)

CNA Affected

[
  {
    "product": "Cisco 5000 Series Enterprise Network Compute System and Cisco UCS E-Series Servers unknown",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Cisco 5000 Series Enterprise Network Compute System and Cisco UCS E-Series Servers unknown"
      }
    ]
  }
]

References

www.securitytracker.com/id/1041173

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-encs-ucs-bios-auth-bypass

4.3 Medium

CVSS3

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

5 Medium

AI Score

Confidence

High

4.6 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.001 Low

EPSS

Percentile

20.2%

JSON

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