SB2021102901 - Improper access control in Cisco Adaptive Security Appliance and Firepower Threat Defense Software SNMP implementation



SB2021102901 - Improper access control in Cisco Adaptive Security Appliance and Firepower Threat Defense Software SNMP implementation

Published: October 29, 2021

Security Bulletin ID SB2021102901
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • 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.