SB2021022416 - Multiple vulnerabilities in Cisco Application Services Engine
Published: February 24, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Missing authentication for critical function (CVE-ID: CVE-2021-1393)
CWE-ID: CWE-306 - Missing Authentication for Critical Function
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient access controls for a service running in the Data Network. A remote non-authenticated attacker can send specially crafted network packets to the affected system and gain unauthorized access to run containers or invoke host-level operations.
Successful exploitation of the vulnerability may result in a complete compromise of the affected system.
2) Improper access control (CVE-ID: CVE-2021-1396)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions for certain API endpoint running in the Data Network. A remote non-authenticated attacker can gain unauthorized access to the system.
Successful exploitation of the vulnerability may allow the attacker to learn device-specific information, create tech support files in an isolated volume, and make limited configuration changes.
Remediation
Install update from vendor's website.