Telerik Report Server Clear Text Transmission of Agent Commands
Priority MEDIUM 40CWE-319Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-319.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00309 23rd percentileScored 2026-11-07
Fix Fixed Telerik Report Server (Progress Software): 2025 Q1 (11.0.25.211)
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Telerik Report Server (Progress Software) Fixed in 2025 Q1 (11.0.25.211)
Timeline
- 2026-10-02 Threatist record created from CVE-2025-0556
- 2026-10-03 Alias added: GHSA-j8rc-g3xr-w3p5
References
More Progress Telerik Report Server vulnerabilities
- TI-2024-01676 Progress Telerik Report Server Deserialization CVSS 3.1CRITICAL 9.9
- TI-2024-05871 Progress Telerik Report Server Deserialization CVSS 3.1CRITICAL 9.9
- TI-2024-07429 Telerik Report Server Insecure Type Resolution CVSS 3.1CRITICAL 9.1
- TI-2024-06754 Account Controller allows high count of login attempts CVSS 3.1HIGH 8.8
- TI-2024-06757 Hard-coded credentials used for temporary and cache data encryption CVSS 3.1HIGH 7.1
- TI-2024-04501 Trust Boundary Violation Vulnerability CVSS 3.1MEDIUM 5.3
Sources
- CVE-2025-0556 · CVE Program
- CVE-2025-0556 · NVD
- FIRST EPSS
- GHSA-j8rc-g3xr-w3p5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences