CVE-2024-4358
Progress Telerik Report Server Authentication Bypass by Spoofing Vulnerability
Progress Telerik Report Server
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.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 13 June 2024. US federal agencies were required to remediate it by 4 July 2024.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 97.5%, which is higher than 99.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2024-4358 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2024-4358.
What does CVE-2024-4358 affect?
CVE-2024-4358 affects Progress Telerik Report Server. 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.
How severe is CVE-2024-4358?
CVE-2024-4358 is rated CRITICAL with a CVSS base score of 9.8. EPSS puts the probability of exploitation in the next 30 days at 97.5%, higher than 99.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 4 July 2024.
How should organisations respond to CVE-2024-4358?
Apply the vendor patch for Progress Telerik Report Server as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.