CVE-2019-1948 : Security Advisory and Response

Cisco Webex Meetings Mobile (iOS) SSL Certificate Validation Vulnerability

Understanding CVE-2019-1948

This CVE involves a security weakness in Cisco Webex Meetings Mobile (iOS) that could allow unauthorized access to confidential information due to an SSL certificate validation issue.

What is CVE-2019-1948?

The vulnerability in Cisco Webex Meetings Mobile (iOS) allows attackers to exploit an invalid SSL certificate, potentially leading to unauthorized access to sensitive data through man-in-the-middle attacks.

The Impact of CVE-2019-1948

The vulnerability poses a medium severity risk with a CVSS base score of 5.9, enabling attackers to intercept and decrypt data transmitted between users and the affected software.

Technical Details of CVE-2019-1948

Vulnerability Description

The flaw arises from inadequate SSL certificate validation in Cisco Webex Meetings Mobile (iOS), enabling attackers to conduct man-in-the-middle attacks.

Affected Systems and Versions

Product: Cisco WebEx Meetings for iOS
Vendor: Cisco
Versions Affected: <= 39.5 (unspecified)

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Confidentiality Impact: High
Privileges Required: None
User Interaction: None
Exploitation Scope: Unchanged
Vector String: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Mitigation and Prevention

Immediate Steps to Take

Apply security patches provided by Cisco promptly.
Monitor official sources for updates and advisories.
Implement network encryption and secure communication protocols.

Long-Term Security Practices

Regularly update and patch all software and applications.
Conduct security assessments and audits to identify vulnerabilities.
Educate users on safe browsing habits and data protection measures.

Patching and Updates

Cisco has released patches to address the SSL certificate validation vulnerability in Cisco Webex Meetings Mobile (iOS).