CVE-2019-1626 Explained : Impact and Mitigation
Learn about CVE-2019-1626, a high-severity vulnerability in Cisco SD-WAN Solution's vManage Web UI, allowing attackers to gain elevated privileges. Find mitigation steps and patching details here.
Cisco SD-WAN Solution Privilege Escalation Vulnerability
Understanding CVE-2019-1626
This CVE involves a security issue in the vManage web-based user interface (Web UI) of the Cisco SD-WAN Solution, potentially allowing a remote attacker to gain higher privileges on an impacted vManage device.
What is CVE-2019-1626?
The vulnerability arises from inadequate authorization of specific user activities within the device configuration, enabling attackers with access to elevate their privileges through manipulated HTTP requests.
The Impact of CVE-2019-1626
- 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 configuration changes and potential system compromise.
Technical Details of CVE-2019-1626
The following technical details provide insight into the vulnerability and its implications:
Vulnerability Description
- The flaw allows authenticated attackers to exploit the vManage Web UI, gaining elevated privileges on affected devices.
Affected Systems and Versions
- Product: Cisco SD-WAN Solution
- Vendor: Cisco
- Versions Affected: < 18.4.0 (Custom Version)
Exploitation Mechanism
- Attackers need login access to the vManage Web UI to send manipulated HTTP requests, granting them elevated privileges.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-1626:
Immediate Steps to Take
- Update to a patched version above 18.4.0 to eliminate the vulnerability.
- Monitor and restrict access to the vManage Web UI to authorized personnel only.
Long-Term Security Practices
- Regularly review and update access control policies and configurations.
- Conduct security training to educate users on identifying and reporting suspicious activities.
Patching and Updates
- Apply security patches provided by Cisco to address the privilege escalation vulnerability in the SD-WAN Solution.