How severe is CVE-2024-4358?

CVE-2024-4358 has a CVSS score of 9.8/10, rated CRITICAL. Immediate patching is strongly recommended.

Which packages are affected by CVE-2024-4358?

Affected package information for CVE-2024-4358 is not yet fully mapped. Check the official advisory links for details.

How do I fix CVE-2024-4358?

No fixed version has been published for CVE-2024-4358 yet. Monitor the advisory for updates, apply mitigations recommended by the vendor, and use O3 Security to track when a fix becomes available in your stack.

Is CVE-2024-4358 actively exploited in the wild?

Yes. There are 15 known exploit references for CVE-2024-4358, including 1 documented proof-of-concept exploit on Exploit-DB and 9 in-the-wild exploitations observed on GitHub and other sources. Treat this as actively exploitable and prioritize patching immediately. All exploit code should only be run in an isolated sandbox environment for research or authorized testing — never against production systems without explicit written authorization.

What is the EPSS score for CVE-2024-4358?

CVE-2024-4358 has an EPSS (Exploit Prediction Scoring System) score of 94.3%, placing it in the 100th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. A score above 50% indicates significantly elevated exploitation risk — immediate patching is strongly recommended.

Is CVE-2024-4358 in the CISA Known Exploited Vulnerabilities catalog?

Yes. CVE-2024-4358 (Progress Telerik Report Server Authentication Bypass by Spoofing Vulnerability) was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2024-06-13. CISA required all US federal civilian agencies to remediate this vulnerability by 2024-07-04. The required action was: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Being listed in the KEV catalog is the strongest possible confirmation of active exploitation — treat this as a critical priority.

What type of vulnerability is CVE-2024-4358?

CVE-2024-4358 is classified as CWE-290 (CWE-290). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

Which products and versions are affected by CVE-2024-4358?

CVE-2024-4358 affects telerik report server 2024. Check the affected-products list on this page against your deployed version to confirm exposure.

Is there exploit tooling available for CVE-2024-4358?

A Nuclei detection template exists for CVE-2024-4358, meaning automated scanners can fingerprint it. Public exploit tooling significantly increases real-world risk — prioritize patching and ensure detection coverage. Exploit tooling should only ever be used in isolated, authorized testing environments.

When was CVE-2024-4358 published, and has it been updated?

CVE-2024-4358 was published on May 29, 2024 and was last updated on October 31, 2025. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

CISA KEV·Added 2024-06-13 — agencies required to remediate by 2024-07-04

CVE-2024-4358

CRITICAL

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…

Published

May 29, 2024

Updated

Oct 31, 2025

Affected

0 pkgs

Patched

None yet

Exploits

15 known

EPSS Exploitation Probability

via FIRST.org ↗

94.3%probability of exploitation in next 30 days

Very High Risk100th percentile0.00%

EPSS (Exploit Prediction Scoring System) is a daily probability model maintained by FIRST.org. It estimates the likelihood a CVE will be exploited in production environments within the next 30 days, derived from real-world threat intelligence signals.

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.

Affected Products

1 product · 1 configurations

Application

report server 2024telerik

≤ 10.0.24.305

range

Exploits & PoCs

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-52103webappsmultiple

Progress Telerik Report Server 2024 Q1 (10.0.24.305) - Authentication Bypass

by VeryLazyTech · Mar 28, 2025

Exploit-DB Source

Frequently Asked Questions

O3 Security · Impact-Aware SCA

Is CVE-2024-4358 in your stack?

O3 detects CVE-2024-4358 across dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.

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