PT-2019-2213 · Cisco · Cisco Nx-Os+1

Published 2019-05-15 · Updated 2023-03-24 · CVE-2019-1812

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Cisco NX-OS Software (affected versions not specified)

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

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Verification of Cryptographic Signature

Weakness Enumeration

CWE-347

Related Identifiers

BDU:2019-01984

CVE-2019-1812

Affected Products

Cisco Nx-Os

Cisco Nexus

References · 5

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-sisv2 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-01984 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2019-1812 · Security Note
• https://osv.dev/vulnerability/CVE-2019-1812 · Vendor Advisory
• http://securityfocus.com/bid/108425 · Note