Critical Vulnerability in Cisco Policy Suite Exposes Hardcoded SSH Key, Allowing Remote Root Access
November 5, 2021
Cisco Systems has issued security updates to rectify vulnerabilities in several Cisco products that could enable attackers to log in as root users, gaining control over compromised systems. The vulnerability, identified as CVE-2021-40119, has been assigned a critical severity rating of 9.8 out of 10 on the CVSS scale and originates from flaws in the SSH authentication mechanism of Cisco Policy Suite. According to Cisco’s advisory, “An attacker could exploit this vulnerability by connecting to an affected device via SSH,” warning that a successful exploit could provide the attacker with root access. The issue was uncovered during internal security assessments. Future releases of Cisco Policy Suite (21.2.0 and beyond) will automatically generate new SSH keys upon installation, although devices upgrading from version 21.1.0 will still require a manual process to replace the default SSH keys.
Hardcoded SSH Key in Cisco Policy Suite Exposes Systems to Remote Root Access Vulnerability On November 5, 2021, Cisco Systems disclosed critical security updates aimed at addressing significant vulnerabilities across several of its products. One of the foremost issues identified…