SB2021092307 - Access of Uninitialized Pointer in Cisco IOS XE Software
Published: September 23, 2021
Security Bulletin ID
SB2021092307
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Access of Uninitialized Pointer (CVE-ID: CVE-2021-1619)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to an uninitialized pointer in the authentication, authorization, and accounting (AAA) function. A remote attacker can send a series of NETCONF or RESTCONF requests and use NETCONF or RESTCONF to install, manipulate, or delete the configuration of a network device
Remediation
Install update from vendor's website.