CVE-2020-2505 : What You Need to Know

A vulnerability in QNAP's QES could allow attackers to access sensitive information through error messages.

Understanding CVE-2020-2505

This CVE involves a security flaw in QNAP's QES that could potentially lead to the exposure of sensitive data.

What is CVE-2020-2505?

If exploited, this vulnerability enables attackers to obtain sensitive information by manipulating error messages. QNAP has addressed this issue in QES 2.1.1 Build 20201006 and later versions.

The Impact of CVE-2020-2505

CVSS Base Score: 2.3 (Low)
Attack Vector: Local
Privileges Required: High
Confidentiality Impact: Low
Integrity Impact: None
Availability Impact: None
Vulnerability Type: Information Exposure Through an Error Message
CWE IDs: 209, 755
Credit: TIM Security Red Team Research
Discovery Date: December 23, 2020

Technical Details of CVE-2020-2505

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to extract sensitive information by manipulating error messages within QNAP's QES.

Affected Systems and Versions

Affected Platforms: Build 20201006
Affected Product: QES
Vendor: QNAP Systems Inc.
Vulnerable Versions: Less than 2.1.1

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability locally to gain unauthorized access to sensitive data.

Mitigation and Prevention

Protect your systems from CVE-2020-2505 by following these security measures.

Immediate Steps to Take

Update QES to version 2.1.1 Build 20201006 or later to mitigate the vulnerability.
Monitor system logs for any suspicious activities related to error messages.

Long-Term Security Practices

Regularly review and update security configurations to prevent similar vulnerabilities.
Educate users on safe computing practices to minimize the risk of exploitation.

Patching and Updates

Stay informed about security advisories from QNAP and promptly apply patches to secure your systems.