CVE-2019-1974

What it is

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 bypass user authentication and gain access as an administrative user. 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 gain full administrative access to the affected device.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

4.5% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2019-08-21 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 02:29 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 4.5% in the next 30 days (EPSS).
• Severity: 9.8 CRITICAL (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2019-08-21 19:15 UTC

Last modified

2026-06-17 02:29 UTC

Exploit probability

4.5% · EPSS, next 30 days

Weakness

CWE-287 · Improper authentication

Record status

Modified

Affected

• Cisco Integrated Management Controller Supervisor ≤ 2.2.0.6
• Cisco Integrated Management Controller Supervisor 2.1.0.0
• Cisco Ucs Director ≤ 5.5.0.2
• Cisco Ucs Director ≤ 6.0.1.3
• Cisco Ucs Director ≤ 6.5.0.3
• Cisco Ucs Director ≤ 6.6.1.0
• Cisco Ucs Director ≤ 6.7.2.0
• Cisco Ucs Director 6.7\(1.1\)

Attack profile CVSS 3.0 · 9.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2019-1974.md and follow it. Check whether this project is affected by CVE-2019-1974. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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