On 2024-06-13, CISA added CVE-2024-4358 (Progress Telerik Report Server) to its Known Exploited Vulnerabilities (KEV) catalog [2]. The vulnerability is listed in the catalog as "Progress Telerik Report Server Authentication Bypass by Spoofing Vulnerability" [2]. CISA requires applying mitigations in accordance with vendor instructions; see the full text below for specific requirements [2].
Backfill: this event became public on Jun 13, 2024 and we added it on Nov 10, 2026. It is not a new event.
CISA Adds Progress Telerik Report Server Vulnerability CVE-2024-4358 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Jun 13, 2024
- Published
- Nov 10, 2026
- Last updated
- Nov 8, 2026
- CVSS basis
- Our assessment
- 97.5%, higher than 100% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires applying mitigations in accordance with vendor instructions; see the full text for specific requirements [2].
Timeline
Technical details
CISA KEV Listing
On 2024-06-13, CISA added CVE-2024-4358 to the Known Exploited Vulnerabilities () catalog for Progress Telerik Report Server [2].
Original Technical Description
Progress Telerik Report Server contains an authorization bypass by spoofing vulnerability that allows an attacker to obtain unauthorized access. [2]
Official Requirements
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. [2]
Individual Vulnerability Record
The U.S. National Vulnerability Database (NVD) provides an independent vulnerability record and description for CVE-2024-4358 [1].
References
Official / primary3
- [1]
“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.”
- [2]
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.