CVE-2025-0556: high-severity vulnerability in Progress Software Telerik Report Server
Telerik Report Server Clear Text Transmission of Agent Commands
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.8epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
Progress Software · Telerik Report ServerRelated CVEs — Progress Software Telerik Report Server
In the same product, most dangerous first.
CVE-2024-4357MEDIUMXML External Entity Processing Information DisclosureEPSS 0.7%CVE-2024-4837MEDIUMTrust Boundary Violation VulnerabilityEPSS 0.4%CVE-2026-106155HIGHStored Cross-site Scripting (XSS) in Telerik Report Server Web Report ViewersEPSS 0.2%CVE-2026-106145HIGHPrivilege Escalation in Telerik Report Server Service-Agent HubEPSS 0.1%