A vulnerability in BIOS authentication management of Cisco 5000 Series Enterprise Network Compute System and Cisco Unified Computing (UCS)…

Published 8 y ago 2018-06-21 · modified 4 mo ago 2026-06-17 · JSON

CVSS

4.3

v3.0 · NVD

CISA KEV

not known exploited

EPSS

0.3%

percentile 28%

Public exploits

none known

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.

CISA SSVC assessment

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago 2024-11-29

Exploit prediction (EPSS)

0.34% probability of exploitation in the next 30 days, higher than 28% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.0	4.3	`CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`
NVD	2.0	4.6	`AV:L/AC:L/Au:N/C:P/I:P/A:P`

Affected products

n/a Cisco 5000 Series Enterprise Network Compute System and Cisco UCS E-Series Servers unknown

Classification

Weakness

CWE-287 Improper Authentication

References

tools.cisco.com /security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-encs-ucs-bios-auth-bypass · x_refsource_CONFIRM, x_transferred
securitytracker.com /id/1041173 · vdb-entry, x_refsource_SECTRACK, x_transferred

Sources

CVE List: CVE-2018-0362
NVD: CVE-2018-0362

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary