CVE-2018-0362

mediumpriority · track · 17EPSS 0.004 · 29 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.35% (29th) EPSS

CVSS 4.6 · medium

Is it mine?

24 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisco_csaf · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco 5000 Series Enterprise Network Compute System cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
FixedCisco Unified Computing System E-Series Software (UCSE)cisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com
WorkaroundCisco 5000 Series Enterprise Network Compute System cisco_csaf
Administrators can change the default, user-level BIOS password to a desired string. After updating the password, an empty password will no longer be accepted.
WorkaroundCisco Unified Computing System E-Series Software (UCSE)cisco_csaf
Administrators can change the default, user-level BIOS password to a desired string. After updating the password, an empty password will no longer be accepted.

cvss

Technical severity, 0–10. One row per scoring source.

4.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v3.04.3mediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lprimary · NVD / NIST USexploitability 0.9 · impact 3.4

v3.04mediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:Usecondary · CVSS-BT (t0sche)

v3.04.3mediumCVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · Cisco PSIRT US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-287USprimary

affected products (24)

Products and version ranges known to be affected.

Cisco Cisco 5000 Series Enterprise Network Compute System all versionscisco_csafUS
Cisco Cisco Unified Computing System E-Series Software (UCSE)all versionscisco_csafUS
n/a Cisco 5000 Series Enterprise Network Compute System and Cisco UCS E-Series Servers unknown≤ Cisco 5000 Series Enterprise Network Compute System and Cisco UCS E-Series Servers unknownenisa_euvdEU
cisco 5100 enterprise network compute system firmware= 3.2(3)nvdUScpe:2.3:o:cisco:5100_enterprise_network_compute_system_firmware:*:*:*:*:*:*:*:*
cisco 5400 enterprise network compute system firmware= 3.2(3)nvdUScpe:2.3:o:cisco:5400_enterprise_network_compute_system_firmware:*:*:*:*:*:*:*:*
cisco ucs-e1120d-k9 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e1120d-k9_firmware:*:*:*:*:*:*:*:*
cisco ucs-e1120d-m3 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e1120d-m3_firmware:*:*:*:*:*:*:*:*
cisco ucs-e140d-k9 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e140d-k9_firmware:*:*:*:*:*:*:*:*
cisco ucs-e140d-m1 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e140d-m1_firmware:*:*:*:*:*:*:*:*
cisco ucs-e140dp-k9 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e140dp-k9_firmware:*:*:*:*:*:*:*:*
cisco ucs-e140dp-m1 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e140dp-m1_firmware:*:*:*:*:*:*:*:*
cisco ucs-e140s-k9 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e140s-k9_firmware:*:*:*:*:*:*:*:*
cisco ucs-e140s-m1 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e140s-m1_firmware:*:*:*:*:*:*:*:*
cisco ucs-e140s-m2 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e140s-m2_firmware:*:*:*:*:*:*:*:*
cisco ucs-e160d-k9 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e160d-k9_firmware:*:*:*:*:*:*:*:*
cisco ucs-e160d-m1 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e160d-m1_firmware:*:*:*:*:*:*:*:*
cisco ucs-e160d-m2 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e160d-m2_firmware:*:*:*:*:*:*:*:*
cisco ucs-e160dp-k9 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e160dp-k9_firmware:*:*:*:*:*:*:*:*
cisco ucs-e160dp-m1 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e160dp-m1_firmware:*:*:*:*:*:*:*:*
cisco ucs-e160s-k9 firmware= 3.2(3)nvdUScpe:2.3:o:cisco:ucs-e160s-k9_firmware:*:*:*:*:*:*:*:*

showing 20 of 24

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-20180620-encs-ucs-bios-auth-bypassCisco 5000 Series Enterprise Network Compute System and Cisco UCS E-Series Servers BIOS Authentication Bypass Vulnerability2018-06-20csaf · cisco_csafUS
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. There is a workaround that addresses this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-encs-ucs-bios-auth-bypass ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-encs-ucs-bios-auth-bypass"]

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisco_csaf nvd NVD CVE.org MITRE

published 2018-06-21modified 2026-06-17

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+7711 more

references (7)

External citations — patches, advisories, analysis.

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