CVE-2005-0731: PY Software Active Webcam WebServer (webcam.exe) 5.5 allows remote attackers to cause a denial of service (CPU

This month

MEDIUM 5.0DOWNGRADE

CVE-2005-0731 is a medium-severity flaw (CVSS 5.0) affecting active webcam. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PY Software Active Webcam WebServer (webcam.exe) 5.5 allows remote attackers to cause a denial of service (CPU consumption) via a direct request to Filelist.html.

Why this priority

EPSS top 6%: very likely to be exploited
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	6.9% (top 6%)
CISA exploited list	No
Published	2005-03-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: py software

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2005-03-10 05:00 UTCPublished CVE record published
2026-06-16 22:11 UTCUpdated Record last modified

py software active webcam DOWNGRADE

Affected: 5.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.5

1. Check installed version

apt-cache policy active-webcam || rpm -q active-webcam || active-webcam --version

2. No fixed release: DOWNGRADE to a release before 5.5 (Debian / Ubuntu)

apt-cache madison active-webcam sudo apt install active-webcam=<VERSION_BEFORE_5.5> sudo apt-mark hold active-webcam

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list active-webcam sudo dnf downgrade active-webcam-<VERSION_BEFORE_5.5> sudo dnf versionlock add active-webcam

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

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

Exploit-DB: PY Software Active Webcam 4.3/5.5 - WebServer Multiple Vulnerabilities

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-2005-0731?

active webcam: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-0731 being exploited?

CVE-2005-0731 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-2005-0731 affect?

CVE-2005-0731 affects active webcam. Severity is medium (CVSS 5.0). PY Software Active Webcam WebServer (webcam.exe) 5.5 allows remote attackers to cause a denial of service (CPU consumption) via a direct request to Filelist.html.

How urgent is CVE-2005-0731?

Priority 46/100. EPSS top 6%: very likely to be exploited; Public exploit reference

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References

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