CVE-2019-1880 MEDIUM

CVE-2019-1880: Cisco Unified Computing System BIOS Signature Bypass Vulnerability

Vendor Cisco
Product Cisco Unified Computing System (Managed)
Weakness CWE-345
Published June 5, 2019
Last update November 21, 2024

CVSS base score

4.4/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

A vulnerability in the BIOS upgrade utility of Cisco Unified Computing System (UCS) C-Series Rack Servers could allow an authenticated, local attacker to install compromised BIOS firmware on an affected device. The vulnerability is due to insufficient validation of the firmware image file. An attacker could exploit this vulnerability by executing the BIOS upgrade utility with a specific set of options. A successful exploit could allow the attacker to bypass the firmware signature-verification process and install compromised BIOS firmware on an affected device.

Key dates

02Disclosure timeline

June 5, 2019 CVE published
November 21, 2024 Record updated