CVE-2022-20810 : What You Need to Know
Take necessary immediate and long-term steps to secure systems affected by CVE-2022-20810, enabling an attacker to access SSID PSKs via SNMP in Cisco IOS XE Software.
A vulnerability has been identified in the Simple Network Management Protocol (SNMP) of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family. This CVE poses a risk of allowing an authenticated remote attacker to access sensitive information related to SSID preshared keys (PSKs).
Understanding CVE-2022-20810
This section will delve into the details of the vulnerability and its potential impact.
What is CVE-2022-20810?
The vulnerability in the SNMP of Cisco IOS XE Wireless Controller Software enables an authenticated attacker to view SSID PSKs, due to insufficient restrictions allowing disclosure of sensitive configuration details.
The Impact of CVE-2022-20810
The impact of successfully exploiting this vulnerability could lead to unauthorized access to sensitive information, specifically SSID PSKs, stored on the affected device.
Technical Details of CVE-2022-20810
Let's explore further into the technical aspects of this CVE.
Vulnerability Description
The vulnerability arises from inadequate restrictions within the SNMP service, allowing unauthorized disclosure of sensitive configuration data.
Affected Systems and Versions
The affected product is the Cisco IOS XE Software on devices under the Catalyst 9000 Family, with a specific version indicated as 'n/a'.
Exploitation Mechanism
Exploiting this vulnerability involves an attacker leveraging SNMP read-only community access to retrieve sensitive SSID PSKs stored on the targeted device.
Mitigation and Prevention
Understanding the necessary steps to mitigate and prevent the exploitation of CVE-2022-20810 is crucial.
Immediate Steps to Take
It is recommended to apply security best practices and actively monitor for any unauthorized access attempts that could exploit this SNMP vulnerability.
Long-Term Security Practices
Incorporating regular security assessments and ensuring timely software updates are essential for maintaining a secure network environment.
Patching and Updates
Stay informed about security advisories from Cisco and promptly apply patches or updates released to address vulnerabilities like CVE-2022-20810.