CVE-2019-1755 : What You Need to Know

A vulnerability in the Web Services Management Agent (WSMA) function of Cisco IOS XE Software allows a remote attacker to execute arbitrary commands with high integrity impact. The flaw arises due to inadequate user-input data sanitization.

Understanding CVE-2019-1755

This CVE involves a command injection vulnerability in Cisco IOS XE Software, potentially exploitable by authenticated remote attackers.

What is CVE-2019-1755?

The vulnerability in the Web Services Management Agent (WSMA) function of Cisco IOS XE Software enables attackers to execute arbitrary commands within Cisco IOS at privilege level 15 by sending crafted HTTP requests.

The Impact of CVE-2019-1755

If successfully exploited, attackers can execute arbitrary commands on compromised devices, posing a high integrity impact risk.

Technical Details of CVE-2019-1755

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw in the WSMA function of Cisco IOS XE Software allows remote attackers to execute arbitrary commands with high integrity impact due to insufficient user-input data sanitization.

Affected Systems and Versions

Cisco IOS XE Software versions 3.6.10E, 16.1.1 to 16.8.1e are affected.

Exploitation Mechanism

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

Mitigation and Prevention

Protect your systems from CVE-2019-1755 with the following steps:

Immediate Steps to Take

Apply vendor-provided patches immediately.
Monitor network traffic for signs of exploitation.

Long-Term Security Practices

Regularly update and patch all software and systems.
Implement network segmentation and access controls.

Patching and Updates

Refer to the Cisco advisory for specific patch details and instructions.