CVE-2024-4358
CriticalExploitedPublic exploitIn 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.
Published May 30, 2024 · Updated Oct 21, 2025 · Also known as TR-24-0587
Key Facts
Patch immediately- CVE-2024-4358 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Report Server 2024 (Telerik), Telerik Report Server.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 7, 2024. Public exploit code is available.
- EPSS estimates a 97% probability of exploitation in the next 30 days.
- Fixed versions are available, including Telerik Report Server 10.1.24.514, Report Server 2024 <=10.0.24.305, Report Server 2024 10.0.24.305.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
97%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jun 13, 2024 | Jul 4, 2024 | Not reported |
| Industry KEV feed | Jun 7, 2024 | Jul 4, 2024 | Not reported |
| CIRCL KEV | Jun 7, 2024 | Jul 4, 2024 | Not reported |
| ENISA EUVD | Jun 13, 2024 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Report Server 2024Telerik | See advisory | 10.0.24.305 |
| Telerik Report Server | >= 1.0.0 | 10.1.24.514 |
Patched Releases
Telerik Report Server
10.1.24.514
Report Server 2024
<=10.0.24.305
Timeline
Publicly disclosed
May 30, 2024
Added to Industry KEV feed
Jun 7, 2024
Added to CIRCL KEV
Jun 7, 2024
Added to CISA KEV
Jun 13, 2024
Added to ENISA EUVD
Jun 13, 2024
Last updated
Oct 21, 2025
Weakness Type
- CWE-290 Authentication Bypass by Spoofing
References
- advisoryhttps://docs.telerik.com/report-server/knowledge-base/registration-auth-bypass-cve-2024-4358
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2024-4358
- advisoryUSOM advisory
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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: Report Server 2024 (Telerik); Telerik Report Server versions >= 1.0.0. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jun 7, 2024.
Yes. It was added on Jun 13, 2024 with a federal remediation due date of Jul 4, 2024.
Public exploit code is available.
Fixed versions are available, including Telerik Report Server 10.1.24.514, Report Server 2024 <=10.0.24.305, Report Server 2024 10.0.24.305.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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