Horizon Alert
Summary of the vulnerability and why it matters
Cisco IOS XE Software's web user interface has a flaw that could permit unauthorized access and escalation of privileges. This vulnerability allows an unauthenticated attacker to create a privileged account, potentially leading to the compromise of the affected system. The attacker could then gain root-level access and install malicious software.
- Vulnerable Cisco IOS XE web UI feature
- Unauthorized privileged account creation
- System compromise and unauthorized software installation
Attack Path
How an attacker could exploit the issue
Attackers can exploit a vulnerability in the web user interface of Cisco IOS XE Software to gain unauthorized access and control. This attack path involves an attacker first gaining initial access by exploiting this vulnerability. The attacker can then issue commands to create a local user account with elevated privileges. This newly created user account can then be used to further escalate privileges to root access, allowing the attacker to write malicious code to the file system.
- Exposed web UI feature.
- Attacker exploits Web UI for access.
- Creates user, escalates to root.
Live Threat
Current exploitation, exposure, and threat context
The exploitation of this vulnerability is considered very likely due to its nature within a network management interface. Attackers with moderate skill could potentially exploit this to gain unauthorized access to systems. The resulting impact could include the creation of unauthorized user accounts, privilege escalation to root access, and the installation of malicious software.
- Likely attacker skill: Moderate
- Required access or conditions: Network access
- Business risk or urgency: High
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
An organization should address this vulnerability by first identifying all network devices running the affected software. Next, steps should be taken to reduce the attack surface by disabling unnecessary features or isolating vulnerable systems. Finally, the vendor's fix should be applied to all identified systems, followed by verification and ongoing monitoring for any related security events.
- Identify exposed network devices.
- Restrict access to vulnerable systems.
- Apply vendor fixes and monitor.
