Tracker / CVE-2021-1590
CVE-2021-1590
Medium 5.3
A vulnerability in the implementation of the system login block-for command for Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a login process to unexpectedly restart, causing a denial of service (DoS) condition. This vulnerability is due to a logic error in the implementation of the system login block-for command when an attack is detected and acted upon. An attacker could exploit this vulnerability by performing a brute-force login attack on an affected device. A successful exploit could allow the attacker to cause a login process to reload, which could result in a delay during authentication to the affected device.
Affected products and versions
| cisco | nx-os |
|---|---|
| cisco | unified_computing_system · … → 4.0\(4m\) |
| cisco | unified_computing_system · 4.1 → 4.1\(3d\) |
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.