CVE-2024-4358: Progress Software Telerik Report Server · Authentication Bypass by Spoofing
Affects Progress Software Telerik Report ServerSource CVE Database V5
Exploited in the wild · KEV due 4 Jul 2024 · public exploit available (Metasploit, Exploit-DB) · 97% EPSS : apply the vendor's fix or mitigations to Progress Software Telerik Report Server now.
Data as of 26 Oct 2026, 10:12 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 97.4% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 29 May 2024
Detectable: evidence found.
nuclei template: Progress Telerik Report Server - Authentication Bypass
Weaponised: evidence found.
2 Metasploit modules · 1 Exploit-DB entry, 303 days after disclosure
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 15 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by Progress Software Corporation
, 29 days before disclosure
CVE published
on cve.org
, t = 0
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 15 days after disclosure
KEV remediation due
US federal deadline
, 36 days after disclosure
First Exploit-DB entry (opens in a new tab)
Progress Telerik Report Server 2024 Q1 (10.0.24.305) - Authentication Bypass
, 303 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Progress Software Corporation Telerik Report Server | Affected
| Fixed in– |
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.