Skip to main content
VulnerabilityPublished Updated

CVE-2024-4358: Progress Software Telerik Report Server · Authentication Bypass by Spoofing

Affects Progress Software Telerik Report ServerSource CVE Database V5

0

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

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 29 May 2024

  2. Exploited in the wild: evidence found.

    Listed in CISA KEV 15 days after disclosure

  3. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by Progress Software Corporation

    , 29 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. , 15 days after disclosure

  4. KEV remediation due

    US federal deadline

    , 36 days after disclosure

  5. 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

Affected software

ProductAffectedFixed in
Progress Software Corporation Telerik Report ServerAffected
  • =1.0.0
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.

References

Community reviews

Loading reviews…