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CVE-2024-4358

9.8, critical Known exploited

Progress Telerik Report Server Authentication Bypass by Spoofing Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
9.8, critical critical CVSS v3.1
EPSS, next 30 days
97% higher than 99.9% of scored CVEs
Exploitation
Confirmed in the wild
Published
29 May 20242 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 13 Jun 2024. US federal agencies had to remediate by 4 Jul 2024, a deadline that has passed.

Required action. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

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.

Details

Vendor
Progress and 1 more
Product
Telerik Report Server
Weakness
CWE-290 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
security@progress.com

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

References 2

Advisories 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Progress CVEs

Every Progress CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2026-8037 Progress LoadMaster Command Injection Vulnerability KEV EPSS 77% 9.8, critical
  • CVE-2024-6670 Progress WhatsUp Gold SQL Injection Vulnerability KEV EPSS 93% 9.8, critical
  • CVE-2024-4885 Progress WhatsUp Gold Path Traversal Vulnerability KEV EPSS 99% 9.8, critical
  • CVE-2024-1212 Progress Kemp LoadMaster OS Command Injection Vulnerability KEV EPSS 95% 9.8, critical
  • CVE-2023-40044 Progress WS_FTP Server Deserialization of Untrusted Data Vulnerability KEV EPSS 90% 8.8, high
  • CVE-2023-34362 Progress MOVEit Transfer SQL Injection Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2019-18935 Progress Telerik UI for ASP.NET AJAX Deserialization of Untrusted Data Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2017-9248 Progress Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic Weakness Vulnerability KEV EPSS 75% 9.8, critical

Beyond this page

Is CVE-2024-4358 in your network?

This page tells you how dangerous CVE-2024-4358 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2024-4358 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2024-4358 comes with the devices to patch.

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  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.