CVE-2020-3233 : Security Advisory and Response
Learn about CVE-2020-3233, a vulnerability in Cisco IOx Application Framework allowing remote attackers to conduct XSS attacks. Find mitigation steps and patching details.
A vulnerability in the web-based Local Manager interface of the Cisco IOx Application Framework could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack.
Understanding CVE-2020-3233
This CVE involves a security flaw in the Cisco IOx Application Framework that could be exploited by an attacker to execute arbitrary script code.
What is CVE-2020-3233?
The vulnerability allows a remote attacker with valid Local Manager credentials to inject malicious code into the system settings tab, potentially leading to the execution of arbitrary script code.
The Impact of CVE-2020-3233
- CVSS Base Score: 6.4 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Confidentiality Impact: Low
- Integrity Impact: Low
- Privileges Required: Low
- User Interaction: None
- Scope: Changed
- Vector String: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Technical Details of CVE-2020-3233
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw arises from insufficient validation of user-supplied input by the web-based Local Manager interface, allowing attackers to execute XSS attacks.
Affected Systems and Versions
- Product: Cisco IOx
- Vendor: Cisco
- Affected Version: n/a
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious code into the system settings tab, potentially gaining access to sensitive information.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate action and long-term security practices.
Immediate Steps to Take
- Ensure all systems running Cisco IOx are updated with the latest security patches.
- Monitor network traffic for any signs of malicious activity.
Long-Term Security Practices
- Regularly review and update security configurations.
- Educate users on safe browsing practices to prevent XSS attacks.
Patching and Updates
- Apply patches provided by Cisco to address the vulnerability and enhance system security.