SB2021082603 - Insufficient verification of data authenticity in Cisco Nexus 9000 Series Fabric Switches ACI Mode
Published: August 26, 2021
Security Bulletin ID
SB2021082603
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insufficient verification of data authenticity (CVE-ID: CVE-2021-1586)
The vulnerability allows a remote attacker to compromsie the target system.
The vulnerability exists due to insufficient verification of data authenticity in the Multi-Pod or Multi-Site network configurations. A remote attacker can send specially crafted TCP data and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.