SB2021102901 - Improper access control in Cisco Adaptive Security Appliance and Firepower Threat Defense Software SNMP implementation
Published: October 29, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2021-34794)
The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the Simple Network Management Protocol version 3 (SNMPv3) access control functionality. A remote user can bypass implemented security restrictions and send an SNMPv3 query to an affected device from a host that is not permitted by the SNMPv3 access control list.
Remediation
Install update from vendor's website.