CVE-2019-1880: cisco cisco unified computing system (managed)
Vulnerability summary
CVE-2019-1880 is a medium (CVSS 4.4) vulnerability in cisco cisco unified computing system (managed). EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.3% of scored vulnerabilities.
Timeline
- 05-06-2019PublishedVulnerability first disclosed.
- 21-11-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST4.4MediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Cisco2 products
- cisco unified computing system (managed)≥ unspecified, < 4.0(4c)
- unified_computing_system_server_firmware< 4.0\(2g\) | < 3.0\(4l\) | ≥ 4.0, < 4.0\(2g\) | < 4.0\(4c\)
1 vendor · 2 products
References
2 links- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-ucs-biossig-bypassVendor AdvisoryX Refsource CISCO