CVE-2020-8091 Explained : Impact and Mitigation

SVG.swf in TYPO3 6.2.0 to 6.2.38 ELTS and 7.0.0 to 7.1.0 could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack.

Understanding CVE-2020-8091

This CVE involves a vulnerability in TYPO3 that could enable a remote attacker to execute a cross-site scripting attack.

What is CVE-2020-8091?

CVE-2020-8091 is a security vulnerability in TYPO3 versions 6.2.0 to 6.2.38 ELTS and 7.0.0 to 7.1.0 that allows an attacker to perform a cross-site scripting attack.

The Impact of CVE-2020-8091

The vulnerability could be exploited by an unauthenticated attacker to execute malicious scripts on a targeted system, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-8091

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability exists in the svg.swf file in specific versions of TYPO3, enabling attackers to launch cross-site scripting attacks.

Affected Systems and Versions

TYPO3 versions 6.2.0 to 6.2.38 ELTS
TYPO3 versions 7.0.0 to 7.1.0

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: None
User Interaction: None
Scope: Unchanged
CVSS Base Score: 4.8 (Medium)

Mitigation and Prevention

Protecting systems from CVE-2020-8091 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply security patches provided by TYPO3 promptly.
Implement web application firewalls to filter and block malicious traffic.
Regularly monitor and audit web applications for unusual activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Educate users and developers on secure coding practices.
Stay informed about security updates and best practices in web application security.

Patching and Updates

Stay updated with TYPO3 security advisories and apply patches as soon as they are released.