CVE-2024-4358KEV · OVERDUECWE-290

Registration Authentication Bypass Vulnerability

Critical · published May 29, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

841
days past CISA
deadline
CVSS v3.1
9.8
EPSS
97%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 A single unauthenticated request is all it takes for an attacker to waltz into restricted areas of your Telerik Report Server! 🔥 Think of it like a VIP event where a guest sneaks in through a back door marked 'Staff Only' — they can access sensitive areas without even showing a ticket. This vulnerability lets attackers exploit that hidden entry point into your server's secured functions. With this flaw, an attacker could potentially access sensitive reports, modify configurations, or even undermine your entire reporting infrastructure. This could lead to data breaches, unauthorized access, and a significant loss of trust from your users.

Put simply

Think of it like a VIP event where a guest sneaks in through a back door marked 'Staff Only' — they can access sensitive areas without even showing a ticket. This vulnerability lets attackers exploit that hidden entry point into your server's secured functions. This authentication bypass vulnerability in Progress Telerik Report Server allows unauthenticated attackers to access restricted functionalities. It affects versions 2024 Q1 (10.0.24.305) or earlier, particularly when hosted on IIS.

What to do

With this flaw, an attacker could potentially access sensitive reports, modify configurations, or even undermine your entire reporting infrastructure. This could lead to data breaches, unauthorized access, and a significant loss of trust from your users. Immediate action is crucial: patch your Telerik Report Server to version 2024 Q2 or later, disable any unused services, and monitor access logs for suspicious activity. Ensure your configurations are up to date to protect against future vulnerabilities. You can tackle this! Act fast, and you'll tighten your security measures in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.97482 · 99.9th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2024-05-29T14:51Z
KEV added
2024-06-13 · due 2024-07-04
EPSS history
Timeline
  • 13 JUN 00:00Z
    Added to CISA KEV — remediate by Jul 4
    kev
  • 29 MAY 14:51Z
    Registration Authentication Bypass Vulnerability
    cvelistv5