#VU56836 Access of Uninitialized Pointer in Cisco Systems, Inc products - CVE-2021-1619
Published: September 23, 2021
Vulnerability identifier: #VU56836
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-1619
CWE-ID: CWE-824
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco IOS XE
Cisco Catalyst 4000 Series Switches
Cisco 2800 Series Integrated Services Routers
Cisco IOS XE
Cisco Catalyst 4000 Series Switches
Cisco 2800 Series Integrated Services Routers
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
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 updates from vendor's website.