CVE-2019-1937

Cisco Integrated Management Controller Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data Authentication Bypass Vulnerability

CRITICAL
9.8
CVSS Score
Published: August 21, 2019 at 06:25 PM UTC
Updated: June 17, 2026 at 02:29 AM UTC
4 products affected across 1 vendorIntegrated Management Controller SupervisorUcs DirectorUcs Director Express for Big Data

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Severity
CRITICAL9.8
Exploit prediction
EPSS 76%

Description

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Supervisor, Cisco UCS Director, and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to acquire a valid session token with administrator privileges, bypassing user authentication. The vulnerability is due to insufficient request header validation during the authentication process. An attacker could exploit this vulnerability by sending a series of malicious requests to an affected device. An exploit could allow the attacker to use the acquired session token to gain full administrator access to the affected device.

Affected

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

6.6.0.0 ≤ v ≤ 6.6.1.06.7.0.0 ≤ v ≤ 6.7.1.06.7(0.0.67265)
v < 6.7.3.0
Affected range stops below 6.7.3.0, 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:

CVSS

9.8CRITICALcisco
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-287

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