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VulnerabilityPublished Updated

CVE-2024-0219: Progress Software Telerik JustDecompile · Improper Privilege Management

Affects Progress Software Telerik JustDecompileSource CVE Database V5

0

Not known to be exploited · CVSS 7.8 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
7.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 31 Jan 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

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

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (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
NuGetTelerik/justdecompilepkg:nuget/Telerik/justdecompileOther threatsAffected
  • =2012.1
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

European organizations should immediately audit their environments to identify installations of Telerik JustDecompile, especially versions prior to 2024 R1. Until an official patch is released, organizations should implement strict access controls to limit who can execute or modify the installer and related files. Employ application whitelisting to prevent unauthorized execution of modified installers. Use endpoint protection solutions to monitor and block suspicious installer manipulations. Enforce the principle of least privilege rigorously, ensuring users do not have unnecessary local privileges that could facilitate exploitation. Regularly review and harden user permissions on systems where Telerik JustDecompile is installed. Consider isolating or restricting the use of Telerik JustDecompile to dedicated, secure workstations. Monitor system logs for unusual installation or privilege escalation activities. Finally, maintain close communication with Progress Software for updates and apply patches promptly once available.

Description

In Telerik JustDecompile versions prior to 2024 R1, a privilege elevation vulnerability has been identified in the applications installer component.  In an environment where an existing Telerik JustDecompile install is present, a lower privileged user has the ability to manipulate the installation package to elevate their privileges on the underlying operating system.

References

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