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[ CVE-2024-4358 · Published 29 May 2024 ]

Progress Telerik Report Server Authentication Bypass by Spoofing Vulnerability

Exploited · CISA KEV CVSS 9.8 EPSS 97%No fix listed yet

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2024-06-13
  • EPSS: 97% chance of exploitation in the next 30 days (higher than 100% of CVEs)
  • Critical severity: CVSS 9.8

[ Description ]Official description

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.

CISA: Progress Telerik Report Server contains an authorization bypass by spoofing vulnerability that allows an attacker to obtain unauthorized access.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 4 Jul 2024): Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References