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

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Main Vulnerability Database SB2021102901

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

Published: October 29, 2021

Security Bulletin ID SB2021102901
CSH 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 vulnerability.


1) Improper access control (CVE-ID: CVE-2021-34794)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


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.

References