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CVE-2024-4358

99
FAUCET Score

CVE-2024-4358 is a critical authentication bypass vulnerability affecting Progress Telerik Report Server version 2024 Q1 (10.0.24.305) and earlier, specifically when running on IIS. An unauthenticated attacker can exploit this flaw to gain access to restricted functionality. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. It is actively exploited in the wild, with public exploit code available in Metasploit and Nuclei templates, and has garnered significant community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.0.24.305CPE matchmatch criteria
cpe:2.3:a:telerik:report_server_2024:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
97.48%
Probability of exploitation in next 30 days
EPSS Percentile
99.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Jun 13, 2024
Metasploit: Telerik Report Server Auth Bypass and Deserialization RCE · Jun 4, 2024
Nuclei: CVE-2024-4358 · Jun 3, 2024
ExploitDB: EDB-52103 · Mar 28, 2025
This CVE's current EPSS score of 0.9748 is in the 99th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
docs.telerik.com / report-server/knowledge-base/registration-auth-bypass-cve-2024-4358
MitigationVendor Advisory