Telerik Report Server <11.0.25.211: Unencrypted Tunnel Allows Network Sniffing
CVE-2025-0556 Published on February 12, 2025
Telerik Report Server Clear Text Transmission of Agent Commands
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.
Vulnerability Analysis
CVE-2025-0556 is exploitable with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Cleartext Transmission of Sensitive Information
The software transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors. Many communication channels can be "sniffed" by attackers during data transmission. For example, network traffic can often be sniffed by any attacker who has access to a network interface. This significantly lowers the difficulty of exploitation by attackers.
Products Associated with CVE-2025-0556
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Affected Versions
Progress Software Telerik Report Server:- Version 1.0.0 and below 2025 Q1 (11.0.25.211) is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.