CVE-2019-1896: Cisco Integrated Management Controller CSR Generation Command Injection Vulnerability

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-08-21 · updated 2026-06-17
Weakness: CWE-78

Description

A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) could allow an authenticated, remote attacker to inject arbitrary commands and obtain root privileges. The vulnerability is due to insufficient validation of user-supplied input in the Certificate Signing Request (CSR) function of the web-based management interface. An attacker could exploit this vulnerability by submitting a crafted CSR in the web-based management interface. A successful exploit could allow an attacker with administrator privileges to execute arbitrary commands on the device with full root privileges.

Affected products

Cisco Integrated Management Controller: from 2.0.0.0 before 2.0\(13o\); from 3.0.0.0 before 3.0\(4k\); from 4.0.0.0 before 4.0\(4b\); from 4.0.0.0 before 4.0\(2f\) — fixed in 2.0\(13o\), 3.0\(4k\), 4.0\(2f\), 4.0\(4b\)
Cisco Unified Computing System (Managed): 4.0(1c)hs3

How to fix

Upgrade to a fixed version: Cisco Integrated Management Controller 2.0\(13o\), 3.0\(4k\), 4.0\(2f\), 4.0\(4b\). Check the vendor advisory for mitigations.

References

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