CVE-2006-0607: check.php in Hinton Design phphd 1.0 does not check passwords when certain cookies are provided, which allows

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HIGH 7.5DOWNGRADE

CVE-2006-0607 is a high-severity flaw (CVSS 7.5) affecting phphd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

check.php in Hinton Design phphd 1.0 does not check passwords when certain cookies are provided, which allows remote attackers to bypass authentication.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Published	2006-02-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hinton design

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

Am I affected?

Timeline

2006-02-08 23:02 UTCPublished CVE record published
2026-06-16 22:20 UTCUpdated Record last modified

hinton design phphd DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

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

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

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

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

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-2006-0607?

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

Is CVE-2006-0607 being exploited?

CVE-2006-0607 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-2006-0607 affect?

CVE-2006-0607 affects phphd. Severity is high (CVSS 7.5). check.php in Hinton Design phphd 1.0 does not check passwords when certain cookies are provided, which allows remote attackers to bypass authentication.

How urgent is CVE-2006-0607?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-0609 MEDIUM 4.3 DOWNGRADE Cross-site scripting (XSS) vulnerability in add.php in Hinton Design phphd 1.0 allows remote attackers to inje
CVE-2006-0608 HIGH 7.5 DOWNGRADE Multiple SQL injection vulnerabilities in Hinton Design phphd 1.0 allow remote attackers to execute arbitrary

References

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