Is CVE-2019-1938 actively exploited?

No active exploitation of CVE-2019-1938 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-1938 be exploited remotely?

Yes. CVE-2019-1938 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-1938?

CVE-2019-1938 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2019-1938

CWE-287Published: August 21, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A vulnerability in the web-based management interface of Cisco UCS Director and Cisco UCS Director Express for Big Data could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions with administrator privileges on an affected system. The vulnerability is due to improper authentication request handling. An attacker could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow an unprivileged attacker to access and execute arbitrary actions through certain APIs.

NVD Source

Technical Analysis

CVE-2019-1938 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.