---
id: CVE-2020-37234
title: >-
  Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in
  the Scheduler component that allows local attackers to crash the application
  by supplying oversized input
summary: >-
  Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in
  the Scheduler component that allows local attackers to crash the application
  by supplying oversized input. Attackers can paste malicious data exceeding
  5000 by…
severity: medium
cvss: 6.2
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-120
published: '2026-05-16'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T10:10:00.263'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2020-37234'
references:
  - url: 'http://www.internetdownloadmanager.com/'
    label: disclosure@vulncheck.com
  - url: 'http://www.internetdownloadmanager.com/download.html'
    label: disclosure@vulncheck.com
  - url: 'https://www.exploit-db.com/exploits/49083'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/internet-download-manager-scheduler-buffer-overflow
    label: disclosure@vulncheck.com
tags:
  - nvd
epss: 0.00147
epssPercentile: 0.03281
ingestedAt: '2026-09-29T10:31:36.284Z'
---

## Overview

Internet Download Manager 6.38.12 contains a buffer overflow vulnerability in the Scheduler component that allows local attackers to crash the application by supplying oversized input. Attackers can paste malicious data exceeding 5000 bytes into the 'Open the following file when done' field to trigger a denial of service condition.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.