Tracker / CVE-2019-1809
CVE-2019-1809
Medium 6.7
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 crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.
Affected products and versions
| cisco | nx-os · 3.1 → 3.2\(3k\) |
|---|---|
| cisco | nx-os · 7.2 → 7.3\(3\)d1\(1\) |
| cisco | nx-os · 7.3 → 8.1\(1a\) |
| cisco | nx-os · 8.0 → 8.2\(3\) |
| cisco | nx-os · 8.2 → 8.3\(1\) |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.