CVE-2019-1966

Cisco Unified Computing System Fabric Interconnect root Privilege Escalation Vulnerability

HIGH
7.8
CVSS Score
Published: August 29, 2019 at 09:45 PM UTC
Updated: June 17, 2026 at 02:29 AM UTC
8 products affected across 1 vendorNx OSUnified Computing SystemUcs 6332-16Up Fabric Interconnect

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Severity
HIGH7.8
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A vulnerability in a specific CLI command within the local management (local-mgmt) context for Cisco UCS Fabric Interconnect Software could allow an authenticated, local attacker to gain elevated privileges as the root user on an affected device. The vulnerability is due to extraneous subcommand options present for a specific CLI command within the local-mgmt context. An attacker could exploit this vulnerability by authenticating to an affected device, entering the local-mgmt context, and issuing a specific CLI command and submitting user input. A successful exploit could allow the attacker to execute arbitrary operating system commands as root on an affected device. The attacker would need to have valid user credentials for the device.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 3.24.0
cisco-ucs-6248-up-fabric-interconnect (environment) · cisco-ucs-6296-up-fabric-interconnect (environment) · cisco-ucs-6324-fabric-interconnect (environment) · cisco-ucs-6332-16up-fabric-interconnect (environment) · cisco-ucs-6332-fabric-interconnect (environment) · cisco-ucs-6454-fabric-interconnect (environment)
v < 4.0(2a)3.2(3b)a4.0(1a)a
Affected range stops below 4.0(2a), so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-264NVD-CWE-noinfo

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