CVE-2019-1808CWE-347

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

Medium · published May 15, 2019

CVSS v3.0
6.7
EPSS
0%
Percentile
7.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
6.7 · MEDIUM
Vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00185 · 7.7th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2019-05-15T22:15Z
EPSS history
Timeline
  • 15 MAY 22:15Z
    Cisco MDS 9700 Series Multilayer Directors and Nexus 7000/7700 Series Switches Software Patch Signature Verification Vulnerability
    cvelistv5