CVE-2020-3229 : Exploit Details and Defense Strategies
Learn about CVE-2020-3229, a high-severity vulnerability in Cisco IOS XE Software that allows remote attackers to escalate privileges. Find out the impact, affected systems, and mitigation steps.
A vulnerability in Role Based Access Control (RBAC) functionality of Cisco IOS XE Web Management Software could allow a Read-Only authenticated, remote attacker to execute commands or configuration changes as an Admin user.
Understanding CVE-2020-3229
This CVE involves a privilege escalation vulnerability in Cisco IOS XE Software.
What is CVE-2020-3229?
The vulnerability in Role Based Access Control (RBAC) of Cisco IOS XE Web Management Software allows a remote attacker to execute commands or configuration changes as an Admin user by exploiting incorrect RBAC handling.
The Impact of CVE-2020-3229
- CVSS Base Score: 8.8 (High Severity)
- Attack Vector: Network
- Confidentiality, Integrity, and Availability Impact: High
- Privileges Required: Low
- Scope: Unchanged
- This vulnerability could lead to unauthorized access and potential misuse of admin privileges.
Technical Details of CVE-2020-3229
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from incorrect RBAC handling for the administration GUI, enabling a Read-Only user to perform actions as an Admin user.
Affected Systems and Versions
- Affected Product: Cisco IOS XE Software 16.2.2
- Vendor: Cisco
- Affected Version: n/a
Exploitation Mechanism
- Attackers can exploit this vulnerability by sending a modified HTTP request to the affected device.
Mitigation and Prevention
Protect your systems from this vulnerability by following these steps:
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Monitor network traffic for any suspicious activity.
- Restrict access to the affected system.
Long-Term Security Practices
- Regularly update and patch all software and firmware.
- Implement strong network segmentation and access controls.
- Conduct regular security audits and assessments.
Patching and Updates
- Cisco has likely released patches or updates to address this vulnerability. Ensure you apply them as soon as possible to mitigate the risk of exploitation.