Vulnerability in Cisco Adaptive Security Appliance Software

CVE-2021-34794

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.

EPSS: 0.009 (56.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-34794?
CVE-2021-34794 is a medium-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under Improper Access Control. CVSS score: 5.3/10. Published 2021-10-27.
How severe is CVE-2021-34794?
Medium severity. CVSS v3 base score is 5.3 out of 10.