Vulnerability in Progress Telerik Report Server
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
Weakness classification (CWE)
References
- docs.telerik.com/report-server/knowledge-base/kb-security-cleartext-transmissio… (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-0556?
- CVE-2025-0556 is a high-severity vulnerability in Progress Telerik Report Server, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.8/10. Published 2025-02-12.
- How severe is CVE-2025-0556?
- High severity. CVSS v3 base score is 8.8 out of 10.