CVE-2024-4358

CRITICAL 9.8

⚠️ CISA KEV

Registration Authentication Bypass Vulnerability

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

In Progress Telerik Report Server, version 2024 Q1 (10.0.24.305) or earlier, on IIS, an unauthenticated attacker can gain access to Telerik Report Server restricted functionality via an authentication bypass vulnerability.

CWE	CWE-290
Vendor	progress software corporation
Product	telerik report server
Published	May 29, 2024
Last Updated	Oct 21, 2025

⚠️ Actively Exploited — Act Now

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Progress Software Corporation / Telerik Report Server

1.0.0 < 10.1.24.514

References

NVD ↗ CVE.org ↗ EPSS Data ↗

docs.telerik.com: https://docs.telerik.com/report-server/knowledge-base/registration-auth-bypass-cve-2024-4358 cisa.gov: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-4358

Credits

Sina Kheirkhah (@SinSinology) of Summoning Team (@SummoningTeam) working with Trend Micro Zero Day Initiative