CVSS 3.1 Score 10.0 of 10 (high)


Published Oct 16, 2023
Updated: Jan 25, 2024
CWE ID 420


CVE-2023-20198 is a critical vulnerability that affects Cisco IOS XE Software. The attackers exploited this vulnerability to gain initial access and create a local user with privileged access. They then leveraged another component of the web UI feature to elevate their privilege to root and write an implant to the file system. The CVE has been assigned a CVSS Score of 10.0, indicating its severity. This vulnerability poses a high danger to organizations as it allows unauthorized access, privilege escalation, and potential compromise of sensitive data. Cisco has provided an update for this vulnerability and recommends affected users to apply the fixed releases and use the Software Checker tool for remediation.

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