Critical remote vulnerabilities exist in Cisco Webex and ISE that allow attackers to impersonate legitimate users or execute arbitrary OS commands remotely. These flaws pose significant security risks due to the potential for unauthorized access and control over affected systems. Cisco has issued patches to remediate these vulnerabilities, although specific affected versions and patch details are not included in the provided data.

Successful exploitation could lead to unauthorized user impersonation or remote command execution on the underlying operating system, potentially compromising system integrity and confidentiality. There are no reports of active exploitation in the wild at this time.

Cisco has released patches to address these critical vulnerabilities. Users should apply the official fixes as soon as possible. Since no patch links or detailed vendor advisories are provided here, users should consult Cisco's official security advisories to obtain the appropriate updates and verify affected versions. No additional mitigation guidance is available from the provided information.