CVE-2006-4427: index.php in eFiction before 2.0.7 allows remote attackers to bypass authentication and gain privileges by set

Q: How do I fix CVE-2006-4427?

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

Q: Is CVE-2006-4427 being exploited?

CVE-2006-4427 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-2006-4427 affect?

CVE-2006-4427 affects efiction. Severity is medium (CVSS 5.1). index.php in eFiction before 2.0.7 allows remote attackers to bypass authentication and gain privileges by setting the (1) adminloggedin, (2) loggedin, and (3) level parameters to "1".

Q: How urgent is CVE-2006-4427?

Priority 45/100. Public exploit reference

This month

MEDIUM 5.1DOWNGRADE

CVE-2006-4427 is a medium-severity flaw (CVSS 5.1) affecting efiction. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

index.php in eFiction before 2.0.7 allows remote attackers to bypass authentication and gain privileges by setting the (1) adminloggedin, (2) loggedin, and (3) level parameters to "1".

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	3.0% (top 12%)
CISA exploited list	No
Published	2006-08-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: efiction

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

Am I affected?

Timeline

2006-08-29 00:04 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

efiction efiction DOWNGRADE

Affected: 1.0 · 1.1 · 2.0 · 2.0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison efiction sudo apt install efiction=<VERSION_BEFORE_1.0> sudo apt-mark hold efiction

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

dnf --showduplicates list efiction sudo dnf downgrade efiction-<VERSION_BEFORE_1.0> sudo dnf versionlock add efiction

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: eFiction < 2.0.7 - Remote Admin Authentication Bypass

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-2006-4427?

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

Is CVE-2006-4427 being exploited?

CVE-2006-4427 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-2006-4427 affect?

CVE-2006-4427 affects efiction. Severity is medium (CVSS 5.1). index.php in eFiction before 2.0.7 allows remote attackers to bypass authentication and gain privileges by setting the (1) adminloggedin, (2) loggedin, and (3) level parameters to "1".

How urgent is CVE-2006-4427?

Priority 45/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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