CVE-2020-5393 : Security Advisory and Response

In Appspace On-Prem through 7.1.3, an adversary can steal a session token via XSS.

Understanding CVE-2020-5393

In this CVE, a vulnerability in Appspace On-Prem allows an attacker to exploit XSS to steal session tokens.

What is CVE-2020-5393?

CVE-2020-5393 is a security vulnerability in Appspace On-Prem versions up to 7.1.3 that enables attackers to perform cross-site scripting attacks to hijack session tokens.

The Impact of CVE-2020-5393

This vulnerability can lead to unauthorized access to user sessions, potentially compromising sensitive information and system integrity.

Technical Details of CVE-2020-5393

The following details provide a deeper understanding of the CVE.

Vulnerability Description

The flaw in Appspace On-Prem through 7.1.3 allows malicious actors to execute XSS attacks, leading to session token theft.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions up to 7.1.3 are affected

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the application, tricking users into executing them and stealing session tokens.

Mitigation and Prevention

Protecting systems from CVE-2020-5393 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Appspace On-Prem to the latest version that includes a patch for this vulnerability.
Educate users about the risks of clicking on suspicious links or executing untrusted scripts.

Long-Term Security Practices

Implement strict input validation to prevent XSS attacks.
Regularly monitor and audit web application security to detect and mitigate vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by Appspace to address CVE-2020-5393.