CVE-2019-1808

Published: May 15, 2019

Modified: Nov 20, 2024

PUBLISHED

CVSS v3.0

6.7

MEDIUM

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 patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by loading an unsigned software patch on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.

Vendor	Product	Versions
Cisco	Cisco NX-OS Software	affected `unspecified - < 8.3(1)`

Weaknesses (CWE)

CWE-347

CVSS v3.0 Details

CVSS v3.0 Vector

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

20190515 Cisco MDS 9700 Series Multilayer Directors and Nexus 7000/7700 Series Switches Software Patch Signature Verification Vulnerability

vendor-advisory

x_refsource_CISCO

108367

vdb-entry

x_refsource_BID

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CVE-2019-1808

Description

Affected Products

Weaknesses (CWE)

CVSS v3.0 Details

References