CVE-2021-45479 : Exploit Details and Defense Strategies

CVE-2021-45479, assigned by TR-CERT, involves an XSS vulnerability in Yordam Information Technologies Library Automation System.

Understanding CVE-2021-45479

What is CVE-2021-45479?

CVE-2021-45479 is an Improper Neutralization of Input During Web Page Generation vulnerability that allows Stored XSS in Yordam Information Technologies Library Automation System versions before 19.2.

The Impact of CVE-2021-45479

This vulnerability, CAPEC-592 Stored XSS, has a CVSS 3.1 base score of 5.4 (Medium severity) and can be exploited with low privileges and user interaction.

Technical Details of CVE-2021-45479

Vulnerability Description

The vulnerability arises due to improper neutralization of input during web page generation in the affected software, enabling stored XSS attacks.

Affected Systems and Versions

Product: Library Automation System
Vendor: Yordam Information Technologies
Affected Version: < 19.2

Exploitation Mechanism

The vulnerability can be exploited by an attacker with relatively low privileges and user interaction, resulting in a changed scope without impacting availability.

Mitigation and Prevention

Immediate Steps to Take

Update the software version to >=19.2 to mitigate the vulnerability.

Long-Term Security Practices

Regularly monitor and apply security patches for software to prevent future vulnerabilities.
Educate users on safe browsing practices to avoid falling victim to XSS attacks.

Patching and Updates

Regularly monitor official sources for software updates and apply them promptly to ensure system security.