SB2020022715 - Denial of service in Cisco NX-OS Software
Published: February 27, 2020
Security Bulletin ID
SB2020022715
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) Input validation error (CVE-ID: CVE-2020-3170)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect validation of the HTTP header of a request that is sent to the NX-API. A remote attacker can send a specially crafted HTTP request and cause a denial of service condition in the NX-API service.
Remediation
Install update from vendor's website.