CVE-2021-34794

MEDIUM

Cisco ASA and FTD - Unauthenticated SNMPv3 Access Control Bypass

Title source: llm
STIX 2.1

Description

A vulnerability in the Simple Network Management Protocol version 3 (SNMPv3) access control functionality of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to query SNMP data. This vulnerability is due to ineffective access control. An attacker could exploit this vulnerability by sending an SNMPv3 query to an affected device from a host that is not permitted by the SNMPv3 access control list. A successful exploit could allow the attacker to send an SNMP query to an affected device and retrieve information from the device. The attacker would need valid credentials to perform the SNMP query.

References (1)

Core 1

Scores

CVSS v3 5.3
EPSS 0.0068
EPSS Percentile 71.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (26)
cisco/adaptive_security_appliance_software 9.14.0 - 9.14.2.4
cisco/asa_5505_firmware 009.014\(001\)
cisco/asa_5505_firmware 099.015\(001.033\)
cisco/asa_5505_firmware 099.016\(001.216\)
cisco/asa_5512-x_firmware 009.014\(001\)
cisco/asa_5512-x_firmware 099.015\(001.033\)
cisco/asa_5512-x_firmware 099.016\(001.216\)
cisco/asa_5515-x_firmware 009.014\(001\)
cisco/asa_5515-x_firmware 099.015\(001.033\)
cisco/asa_5515-x_firmware 099.016\(001.216\)
... and 16 more
Published Oct 27, 2021
Tracked Since Feb 18, 2026