CVE-2006-4595: muforum (µforum) 0.4c stores membres/members.dat under the web document root with insufficient access control,

This month

MEDIUM 5.0DOWNGRADE

CVE-2006-4595 is a medium-severity flaw (CVSS 5.0) affecting muforum. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

muforum (µforum) 0.4c stores membres/members.dat under the web document root with insufficient access control, which allows remote attackers to obtain sensitive information such as usernames and password hashes.

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	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-200
Published	2006-09-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: muforum

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

Am I affected?

Timeline

2006-09-07 00:04 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

muforum muforum DOWNGRADE

Affected: 0.4c

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.4c

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.4c (Debian / Ubuntu)

apt-cache madison muforum sudo apt install muforum=<VERSION_BEFORE_0.4c> sudo apt-mark hold muforum

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

dnf --showduplicates list muforum sudo dnf downgrade muforum-<VERSION_BEFORE_0.4c> sudo dnf versionlock add muforum

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.

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-2006-4595?

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

Is CVE-2006-4595 being exploited?

CVE-2006-4595 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-2006-4595 affect?

CVE-2006-4595 affects muforum. Severity is medium (CVSS 5.0). muforum (µforum) 0.4c stores membres/members.dat under the web document root with insufficient access control, which allows remote attackers to obtain sensitive information such as usernames and password hashes.

How urgent is CVE-2006-4595?

Priority 41/100. Public exploit reference

References

← Back to latest CVEs