Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2019-1880

17
FAUCET Score

CVE-2019-1880 describes a medium-severity vulnerability in the BIOS upgrade utility of Cisco UCS C-Series Rack Servers. An authenticated, local attacker could exploit insufficient firmware image validation to install compromised BIOS firmware, bypassing signature verification. The CVSS score is 4.4 (AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N), indicating a low attack complexity but high impact on integrity once access is gained. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0\(2g\)CPE matchmatch criteria
cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:*
< 3.0\(4l\)CPE matchmatch criteria
cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:*
>= 4.0, < 4.0\(2g\)CPE matchmatch criteria
cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:*
< 4.0\(4c\)CPE matchmatch criteria
cpe:2.3:o:cisco:unified_computing_system_server_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

4.4MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
0.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 54th percentile among its peer group of 3,720 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

ciscovendor investigatingvia nvd_reference
View patch

References

tools.cisco.com / security/center/content/CiscoSecurityAdvisory/cisco-sa-20190605-ucs-biossig-bypass
Vendor Advisory
securityfocus.com / bid/108680