CVE-2006-2101: Directory traversal vulnerability in WinISO 5.3 allows remote attackers to write arbitrary files via a .

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MEDIUM 5.0DOWNGRADE

CVE-2006-2101 is a medium-severity flaw (CVSS 5.0) affecting winiso. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in WinISO 5.3 allows remote attackers to write arbitrary files via a .. (dot dot) in a filename in an ISO image.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Published	2006-04-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: winiso computing

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

Am I affected?

Timeline

2006-04-29 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

winiso computing winiso DOWNGRADE

Affected: 5.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.3

1. Check installed version

apt-cache policy winiso || rpm -q winiso || winiso --version

2. No fixed release: DOWNGRADE to a release before 5.3 (Debian / Ubuntu)

apt-cache madison winiso sudo apt install winiso=<VERSION_BEFORE_5.3> sudo apt-mark hold winiso

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

dnf --showduplicates list winiso sudo dnf downgrade winiso-<VERSION_BEFORE_5.3> sudo dnf versionlock add winiso

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: winiso 5.3 - Directory Traversal

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-2006-2101?

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

Is CVE-2006-2101 being exploited?

CVE-2006-2101 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-2006-2101 affect?

CVE-2006-2101 affects winiso. Severity is medium (CVSS 5.0). Directory traversal vulnerability in WinISO 5.3 allows remote attackers to write arbitrary files via a .. (dot dot) in a filename in an ISO image.

How urgent is CVE-2006-2101?

Priority 45/100. Public exploit reference

References

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