#VU75372 Credentials management in Cisco Systems, Inc products - CVE-2023-20046
Published: April 20, 2023
Vulnerability identifier: #VU75372
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-20046
CWE-ID: CWE-255
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Cisco StarOS
Cisco ASR 5000 Series
Virtualized Packet Core - Distributed Instance (VPC-DI)
Virtualized Packet Core - Single Instance (VPC-SI)
Cisco StarOS
Cisco ASR 5000 Series
Virtualized Packet Core - Distributed Instance (VPC-DI)
Virtualized Packet Core - Single Instance (VPC-SI)
Software vendor:
Cisco Systems, Inc
Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to insufficient validation of user-supplied credentials in the key-based SSH authentication feature. A remote user can send a valid low-privileged SSH key and log in to the affected device through SSH as a high-privileged user.
Remediation
Install updates from vendor's website.