Actively exploited in the wild
Progress Telerik Report Server Authentication Bypass by Spoofing Vulnerability
Progress - Telerik Report Server · Listed in the CISA KEV since 2024-06-13. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CVE-2024-4358
CriticalCVSS 9.8KEVSummary
In Progress Telerik Report Server version 2024 Q1 (10.0.24.305) or earlier on IIS, an authentication bypass vulnerability exists. An unauthenticated attacker can gain access to restricted functionality.
Risk Assessment
The risk is unauthorized access to sensitive reporting functions, potentially leading to data disclosure or unauthorized modifications.
Recommendation
Immediately update Telerik Report Server to the latest version that includes a fix for this vulnerability.
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Original NVD description (English source)
In Progress Telerik Report Server, version 2024 Q1 (10.0.24.305) or earlier, on IIS, an unauthenticated attacker can gain access to Telerik Report Server restricted functionality via an authentication bypass vulnerability.

