CVE-2021-3131 Explained : Impact and Mitigation

1C:Enterprise 8 before 8.3.17.1851 Web server sends base64 encoded credentials in the creds URL parameter.

Understanding CVE-2021-3131

This vulnerability affects the Web server in 1C:Enterprise 8 before version 8.3.17.1851.

What is CVE-2021-3131?

The CVE-2021-3131 vulnerability in 1C:Enterprise 8 allows attackers to intercept and decode credentials sent via the URL parameter

creds

.

The Impact of CVE-2021-3131

This vulnerability can lead to unauthorized access to sensitive information, posing a significant security risk to affected systems.

Technical Details of CVE-2021-3131

This section provides insights into the vulnerability details.

Vulnerability Description

1C:Enterprise 8 before 8.3.17.1851 sends base64 encoded credentials in the creds URL parameter, making it susceptible to interception and decoding.

Affected Systems and Versions

The vulnerability affects 1C:Enterprise 8 versions prior to 8.3.17.1851.

Exploitation Mechanism

Attackers can exploit CVE-2021-3131 by intercepting the base64 encoded credentials sent via the creds URL parameter.

Mitigation and Prevention

Protect your systems from exploitation with the following mitigation strategies.

Immediate Steps to Take

Ensure that sensitive information is not transmitted in clear text over URLs. Update 1C:Enterprise 8 to version 8.3.17.1851 or newer to address this vulnerability.

Long-Term Security Practices

Implement secure communication protocols and encryption standards to safeguard sensitive data transmission.

Patching and Updates

Regularly apply security patches and updates to mitigate known vulnerabilities and enhance system security.