SB2021012117 - Multiple vulnerabilities in Cisco Data Center Network Manager
Published: January 21, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Path traversal (CVE-ID: CVE-2021-1133)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in the REST API. A remote authenticated attacker can send a specially crafted HTTP request and delete arbitrary files on the file system.
2) Path traversal (CVE-ID: CVE-2021-1135)
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences in a certain REST API endpoint. A remote authenticated attacker can send a specially crafted HTTP request and overwrite or list arbitrary files on the affected device.
3) Input validation error (CVE-ID: CVE-2021-1255)
The vulnerability allows a remote attacker to bypass security controls on the system.
The vulnerability exists due to an incorrect comparison in a denylist implementation. A remote authenticated attacker can send specially crafted network traffic and modify server configuration settings on the affected device.
Remediation
Install update from vendor's website.