CVE-2021-39165 : What You Need to Know

Cachet, an open-source status page software, with versions up to and including 2.3.18, is susceptible to an unauthenticated SQL injection vulnerability.

Understanding CVE-2021-39165

Cachet versions <= 2.3.18 are impacted by an SQL injection vulnerability that allows attackers to extract sensitive data from the database.

What is CVE-2021-39165?

Cachet, a status page application, prior to and including version 2.3.18, contains an SQL injection vulnerability in the

SearchableTrait#scopeSearch()

function.
Attackers without authentication can exploit this flaw to retrieve critical information like admin passwords.

The Impact of CVE-2021-39165

CVSS Score: 8.1 (High)
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Confidentiality Impact: High
Integrity Impact: High
Attack Vector: Network

Technical Details of CVE-2021-39165

The technical aspects of the vulnerability.

Vulnerability Description

The SQL injection flaw in Cachet allows attackers to perform unauthorized database queries, potentially exposing sensitive information.

Affected Systems and Versions

Affected Systems: Cachet <= 2.3.18
Vendor: fiveai

Exploitation Mechanism

The vulnerability arises due to improper handling of user input in Cachet's search functionality, leading to SQL injection.

Mitigation and Prevention

Steps to protect systems against CVE-2021-39165.

Immediate Steps to Take

Upgrade Cachet to a non-vulnerable version.
Monitor database activities for any unusual queries.
Restrict access to sensitive database tables.

Long-Term Security Practices

Regularly audit and test application security.
Implement input validation and proper escaping of user input.

Patching and Updates

Ensure timely application of security patches from the vendor.