CVE-2019-1811 - CVE House

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Status published Medium CVE-2019-1811

Cisco NX-OS CLI Command Software Image Signature Verification Vulnerabilities

6.7 CVSS

Vulnerability Description

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability exists because software digital signatures are not properly verified during CLI command execution. An attacker could exploit this vulnerability to install an unsigned software image on an affected device.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Cisco

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Affected Software

Cisco NX-OS Software

Vulnerable Versions:

unspecified

Timeline

Official Publish: May 15th, 2019

Last Modified: November 20th, 2024

Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1553 Subvert Trust Controls

Defense Evasion

T1190 Exploit Public-Facing Application

T1078 Valid Accounts

T1550 Use Alternate Authentication Material

Defense Evasion

T1565 Data Manipulation