CVE-2020-3215 : What You Need to Know
Learn about CVE-2020-3215, a privilege escalation vulnerability in Cisco IOS XE Software allowing attackers to gain root-level privileges. Find mitigation steps and patching details here.
A vulnerability in the Virtual Services Container of Cisco IOS XE Software could allow an authenticated, local attacker to gain root-level privileges on an affected device.
Understanding CVE-2020-3215
This CVE involves a privilege escalation vulnerability in Cisco IOS XE Software.
What is CVE-2020-3215?
The vulnerability in Cisco IOS XE Software allows a local attacker to achieve root-level privileges by exploiting insufficient validation of a user-supplied open virtual appliance (OVA).
The Impact of CVE-2020-3215
The vulnerability has a CVSS base score of 6.7, indicating a medium severity issue with high impacts on confidentiality, integrity, and availability.
Technical Details of CVE-2020-3215
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability arises from inadequate validation of a user-supplied OVA in the Virtual Services Container of Cisco IOS XE Software.
Affected Systems and Versions
- Product: Cisco IOS XE Software 3.8.0S
- Version: n/a
Exploitation Mechanism
An attacker can exploit this vulnerability by installing a malicious OVA on the affected device.
Mitigation and Prevention
To address CVE-2020-3215, consider the following steps:
Immediate Steps to Take
- Apply the necessary security patches provided by Cisco.
- Monitor for any unauthorized access or changes on affected devices.
Long-Term Security Practices
- Regularly update and patch all software and firmware on network devices.
- Implement strong access controls and authentication mechanisms.
Patching and Updates
Ensure timely installation of security updates and patches released by Cisco to mitigate the vulnerability.