CVE-2020-3258 : Security Advisory and Response

Cisco IOS Software for Cisco Industrial Routers Arbitrary Code Execution Vulnerabilities

Understanding CVE-2020-3258

Multiple vulnerabilities in Cisco IOS Software for Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow attackers to execute arbitrary code or crash affected systems.

What is CVE-2020-3258?

The vulnerability allows unauthenticated remote or authenticated local attackers to execute arbitrary code or cause system crashes on affected devices.

The Impact of CVE-2020-3258

The vulnerability has a CVSS base score of 9.8 (Critical) with high impacts on confidentiality, integrity, and availability of the affected systems.

Technical Details of CVE-2020-3258

Vulnerability Description

The vulnerability in Cisco IOS Software for Industrial Routers allows attackers to execute arbitrary code or crash affected systems.

Affected Systems and Versions

Product: Cisco IOS 12.2(60)EZ16
Vendor: Cisco
Version: n/a

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
Availability Impact: High
Confidentiality Impact: High
Integrity Impact: High

Mitigation and Prevention

Immediate Steps to Take

Apply vendor-provided patches and updates promptly.
Monitor vendor sources for security advisories.
Implement network segmentation to limit the impact of potential attacks.

Long-Term Security Practices

Regularly update and patch all software and firmware.
Conduct security training for employees to recognize and report suspicious activities.

Patching and Updates

Cisco has released patches to address the vulnerabilities. Ensure timely installation of these patches to secure the affected systems.