CRITICAL

CVE-2019-1937

CVSS v3

9.8

CRITICAL

EPSS Score

90.9%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

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.

Technical details

Published
8/21/2019

Frequently asked questions

What is CVE-2019-1937?

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.

Is CVE-2019-1937 actively exploited?

Active exploitation of CVE-2019-1937 has not been confirmed. The EPSS score is 90.9%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-1937?

CVE-2019-1937 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2019-1937 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.