SB2021012512 - Multiple vulnerabilities in Cisco DNA Center
Published: January 25, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Cross-site request forgery (CVE-ID: CVE-2021-1257)
CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin in the web-based management interface. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on the device with the privileges of the authenticated user.
2) Cleartext storage of sensitive information (CVE-ID: CVE-2021-1265)
CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to the configuration archives files being stored in clear text. A remote authenticated attacker can execute a series of API calls and retrieve the full unmasked running configurations of managed devices.
3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-1303)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to improper enforcement of actions for assigned user roles. A remote authenticated attacker can execute commands to view diagnostic information of the devices that Cisco DNA Center manages.
Remediation
Install update from vendor's website.