CVE-2020-37234

Description

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.

Overview

State

—

Assigner (CNA)

—

CVSS severity

medium

CVSS score

6.2 / 10

CVSS vector

AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Effective score

6.2 / 10 MEDIUM source: CNA overview

CWE(s)

—

Reserved

—

Published

—

Last updated

—

Source

https://www.tenable.com/cve/CVE-2020-37234

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published

2026-05-16 16:16:19 UTC

NVD last modified

2026-05-18 19:42:03 UTC

NVD CVSS v3.1

6.2 / 10 MEDIUM source: disclosure@vulncheck.com

NVD CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability subscore

2.5 / 10

Impact subscore

3.6 / 10

EPSS score

0.0001 (probability of exploitation in next 30 days)

EPSS percentile

3.49% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD-assigned CWE(s): CWE-120 (differs from the CNA list above)

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID

EUVD-2020-31238

Assigner

VulnCheck

Published

May 16, 2026, 3:25:51 PM

Updated

May 18, 2026, 5:53:34 PM

EUVD base score (CVSS 4.0)

6.9 / 10
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

EUVD-reported EPSS

0.0200

Vendors

Internetdownloadmanager

Products

Internet Download Manager (6.38.12)

Aliases

GHSA-5wxv-f8rx-4924

ENISA description: 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.

Vendor references (0)

References embedded in the original CVE record by the assigning CNA.

None in the CVE record.

Web references (7)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

• http://www.internetdownloadmanager.com/ tenable:www.internetdownloadmanager.com
• http://www.internetdownloadmanager.com/download.html tenable:www.internetdownloadmanager.com
• https://nvd.nist.gov/vuln/detail/CVE-2020-37234 tenable:nvd.nist.gov
• https://www.cve.org/CVERecord?id=CVE-2020-37234 tenable:www.cve.org
• https://www.exploit-db.com/exploits/49083 tenable:www.exploit-db.com
• https://www.first.org/epss/ tenable:www.first.org
• https://www.vulncheck.com/advisories/internet-download-manager-scheduler-buffer-overflow tenable:www.vulncheck.com

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