SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2024-4358

Progress Telerik Report Server Authentication Bypass by Spoofing Vulnerability

KEVCRITICAL 9.8EPSS 97.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 4 July 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
97.48% probability · 100th percentile
CISA KEV
Listed 13 June 2024 · due 4 July 2024
Weakness
CWE-290
Affected
telerik/report server 2024
Source
security@progress.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://docs.telerik.com/report-server/knowledge-base/registration-auth-bypass-cve-2024-4358; https://nvd.nist.gov/vuln/detail/CVE-2024-4358

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.