CVE-2019-1811

MediumCVSS 6.7/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-347

Affected software

Vendor	Product	Versions
Cisco	Cisco NX-OS Software	>= unspecified, < 8.3(1)

References

http://www.securityfocus.com/bid/108425Broken Link, Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-sisv2Vendor Advisory
http://www.securityfocus.com/bid/108425Broken Link, Third Party Advisory, VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-sisv2Vendor Advisory

Timeline

Published: May 15, 2019
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2019

CVE-2019-18126.7A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with admini CVE-2019-18136.7A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with admini CVE-2019-18148.6A vulnerability in the interactions between the DHCP and TFTP features for Cisco Small Business 300 Series (Sx300) Managed Switches could al CVE-2019-18155.3A security vulnerability was discovered in the local status page functionality of Cisco Meraki’s MX67 and MX68 security appliance models tha CVE-2019-18167.8A vulnerability in the log subscription subsystem of the Cisco Web Security Appliance (WSA) could allow an authenticated, local attacker to CVE-2019-18177.5A vulnerability in the web proxy functionality of Cisco AsyncOS Software for Cisco Web Security Appliance could allow an unauthenticated, re CVE-2019-181776.5In certain Citrix products, information disclosure can be achieved by an authenticated VPN user when there is a configured SSL VPN endpoint.CVE-2019-181787.5Real Time Engineers FreeRTOS+FAT 160919a has a use after free. The function FF_Close() is defined in ff_file.c. The file handler pxFile is f CVE-2019-181794.3An issue was discovered in Open Ticket Request System (OTRS) 7.0.x through 7.0.12, and Community Edition 5.0.x through 5.0.38 and 6.0.x thro CVE-2019-18186.5A vulnerability in the web-based management interface of Cisco Prime Infrastructure and Cisco Evolved Programmable Network (EPN) Manager sof CVE-2019-181807.5Improper Check for filenames with overly long extensions in PostMaster (sending in email) or uploading files (e.g. attaching files to mails)CVE-2019-181817.8In CloudVision Portal all releases in the 2018.1 and 2018.2 Code train allows users with read-only permissions to bypass permissions for res