CVE-2025-0556

Name: CVE-2025-0556
Creator: NVD / NIST
Published: 2025-02-12T16:15:43.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2025-0556 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.29%

20.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-319

Affected Software

Vendor	Product	Versions
Progress	Telerik Report Server	< 11.0.25.211

References

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

Timeline

Published: Feb 12, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-0556?

How severe is CVE-2025-0556?

CVE-2025-0556 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2025-0556?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-0556?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST