CVE-2019-15987 : Vulnerability Insights and Analysis

A vulnerability in the web interface of Cisco WebEx Event Center and other Cisco products could allow an unauthenticated attacker to guess account usernames, potentially leading to information disclosure.

Understanding CVE-2019-15987

This CVE involves a flaw in the web interface of various Cisco products, enabling attackers to make educated guesses about account usernames.

What is CVE-2019-15987?

The vulnerability arises from the lack of proper CAPTCHA protection in certain URLs, allowing attackers to send crafted requests to determine valid usernames and obtain user names.

The Impact of CVE-2019-15987

The vulnerability has a CVSS base score of 5.3, indicating a medium severity issue that could compromise user confidentiality.

Technical Details of CVE-2019-15987

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw in Cisco WebEx Event Center and related products enables unauthorized users to perform username enumeration attacks.

Affected Systems and Versions

Product: Cisco WebEx Event Center
Vendor: Cisco
Affected Version: Unspecified

Exploitation Mechanism

Attackers exploit the lack of CAPTCHA protection in certain URLs by sending carefully crafted requests to the web interface.

Mitigation and Prevention

Protecting systems from CVE-2019-15987 is crucial for maintaining security.

Immediate Steps to Take

Implement CAPTCHA protection on web interfaces to prevent automated attacks.
Monitor for any unusual account access or username enumeration attempts.

Long-Term Security Practices

Regularly update and patch Cisco products to address known vulnerabilities.
Conduct security training to educate users on safe practices to prevent unauthorized access.

Patching and Updates

Apply security patches provided by Cisco to address the vulnerability and enhance system security.