CVE-2022-24900: Piano LED Visualizer is software that allows LED lights to light up as a person plays a piano connected to a c

Q: How do I fix CVE-2022-24900?

piano led visualizer: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-24900 being exploited?

CVE-2022-24900 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-24900 affect?

CVE-2022-24900 affects piano led visualizer. Severity is critical (CVSS 9.9). Piano LED Visualizer is software that allows LED lights to light up as a person plays a piano connected to a computer. Version 1.3 and prior are vulnerable to a path traversal attack. The `os.path.join` call is unsafe for use with untrusted

Q: How urgent is CVE-2022-24900?

Priority 68/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.9REMOTEUPGRADE

CVE-2022-24900 is a critical-severity flaw (CVSS 9.9) affecting piano led visualizer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Piano LED Visualizer is software that allows LED lights to light up as a person plays a piano connected to a computer. Version 1.3 and prior are vulnerable to a path traversal attack. The `os.path.join` call is unsafe for use with untrusted input. When the `os.path.join` call encounters an absolute path, it ignores all the parameters it has encountered till that point and starts working with the new absolute path. Since the "malicious" parameter

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.9 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	8.4% (top 5%)
CISA exploited list	No
Weakness	CWE-22, CWE-73, CWE-668
Published	2022-04-29
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: piano led visualizer project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-04-29 14:15 UTCPublished CVE record published
2026-06-17 04:32 UTCUpdated Record last modified

piano led visualizer project piano led visualizer UPGRADE

Affected: <= 1.3

Fixed in: newer than 1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy piano-led-visualizer || rpm -q piano-led-visualizer || piano-led-visualizer --version

2. UPGRADE to newer than 1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade piano-led-visualizer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade piano-led-visualizer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Piano LED Visualizer 1.3 - Local File Inclusion

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-24900?

piano led visualizer: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Is CVE-2022-24900 being exploited?

CVE-2022-24900 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-24900 affect?

CVE-2022-24900 affects piano led visualizer. Severity is critical (CVSS 9.9). Piano LED Visualizer is software that allows LED lights to light up as a person plays a piano connected to a computer. Version 1.3 and prior are vulnerable to a path traversal attack. The `os.path.join` call is unsafe for use with untrusted

How urgent is CVE-2022-24900?

Priority 68/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

References

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