CVE-2020-37050
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedQuick Player 1.3 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code by crafting a malicious .m3l file with carefully constructed payload. Attackers can trigger the vulnerability by loading a specially crafted file through the application's file loading mechanism, potentially enabling remote code execution.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · moderate confidenceQuick Player 1.3 contains a buffer overflow vulnerability in its .m3l file parsing logic. When the application loads a specially crafted malicious .m3l file through its file loading mechanism, the buffer overflow occurs due to insufficient bounds checking, allowing an attacker to overwrite memory and execute arbitrary code.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify Quick Player installation and versionLocate the Quick Player executable and retrieve its version information (right-click > Properties > Details, or run: quickplayer.exe -v or similar version flag)Affected if The installed version is Quick Player 1.3 exactly
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Confirm .m3l file parsing capabilityCheck if the application has been used to open or is associated with .m3l file extension. Look for file associations in Windows Registry under HKCR\.m3l or examine recent file historyAffected if Quick Player 1.3 is configured to handle or has recently parsed .m3l files
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Inspect application configuration for file parsing settingsExamine Quick Player configuration files (typically in %APPDATA%\QuickPlayer or the application install directory) for any settings related to playlist, media list, or file parsing modulesAffected if Configuration files exist and indicate .m3l or playlist parsing is enabled
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Review crash logs or security event logsCheck Windows Event Viewer, application logs, or crash dump files in the application directory for any buffer overflow or access violation events related to .m3l file loadingAffected if Crash or security event logs show violations during .m3l file processing
A user is affected if Quick Player version 1.3 is installed and the application is or was used to parse .m3l files from any source.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply vendor patch or update to a secure version; implement proper input validation and bounds checking in .m3l file parsing routines; consider using safe memory management functions and address space layout randomization (ASLR) as additional hardening measures.
- Consultation4.0 h
- Implementation8.0 h
- Testing6.0 h
- Review / QA4.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $6,176.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-37050 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2020-37050 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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