4.4
MEDIUM
CVE-2019-1880
Cisco UCS C-Series Rack Servers BIOS Firmware Signature Verification Bypass
Description

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.

INFO

Published Date :

June 5, 2019, 5:29 p.m.

Last Modified :

Oct. 9, 2019, 11:48 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

0.8
Affected Products

The following products are affected by CVE-2019-1880 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco unified_computing_system
2 Cisco unified_computing_system_server_firmware
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-1880.

URL Resource
http://www.securityfocus.com/bid/108680
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-ucs-biossig-bypass Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-1880 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-1880 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CVSS V3 Cisco Systems, Inc. AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
    Added CWE Cisco Systems, Inc. CWE-345
  • Initial Analysis by [email protected]

    Jun. 07, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-ucs-biossig-bypass No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-ucs-biossig-bypass Vendor Advisory
    Added CWE CWE-345
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.0\(2g\) OR cpe:2.3:h:cisco:unified_computing_system_c125_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0\(4l\) *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (excluding) 4.0\(2g\) OR cpe:2.3:h:cisco:unified_computing_system_c220_m4:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.0\(4c\) OR cpe:2.3:h:cisco:unified_computing_system_c220_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0\(4l\) *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (excluding) 4.0\(2g\) OR cpe:2.3:h:cisco:unified_computing_system_c240_m4:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.0\(4c\) OR cpe:2.3:h:cisco:unified_computing_system_c240_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.0\(4l\) *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (excluding) 4.0\(2g\) OR cpe:2.3:h:cisco:unified_computing_system_c460_m4:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 4.0\(4c\) OR cpe:2.3:h:cisco:unified_computing_system_c480_m5:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jun. 07, 2019

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/108680 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-1880 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05635

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability