SB2020082721 - Remote code execution in Cisco NX-OS Software
Published: August 27, 2020 Updated: August 27, 2020
Security Bulletin ID
SB2020082721
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2020-3415)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input in the Data Management Engine (DME). A remote attacker on the local network can send a specially crafted Cisco Discovery Protocol packet to a Layer 2-adjacent affected device, trigger out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.