CVE-2025-0556: telerik report — Fix

Description

In Progress® Telerik® Report Server, versions prior to 2025 Q1 (11.0.25.211) when using the older .NET Framework implementation, communication of non-sensitive information between the service agent process and app host process occurs over an unencrypted tunnel, which can be subjected to local network traffic sniffing.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-319 CWE-319

Affected Products

Vendor	Product	Versions
progress	telerik_report_server	< 11.0.25.211

References

Advisories & Patches

https://docs.telerik.com/report-server/knowledge-base/kb-security-cleartext-transmission-cve-2025-0556

Frequently Asked Questions

What is CVE-2025-0556? +

In Progress® Telerik® Report Server, versions prior to 2025 Q1 (11.0.25.211) when using the older .NET Framework implementation, communication of non-sensitive information between the service agent process and app host process occurs over an unencrypted tunnel, which can be subjected to local network traffic sniffing. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-0556? +

CVE-2025-0556 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-0556? +

CVE-2025-0556 affects products from progress, specifically: telerik_report_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-0556? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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