CVE-2005-2464: login.php in PCXP/TOPPE CMS allows remote attackers to bypass authentication and gain privileges by modifying

This month

HIGH 7.5DOWNGRADE

CVE-2005-2464 is a high-severity flaw (CVSS 7.5) affecting pcxp toppe cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

login.php in PCXP/TOPPE CMS allows remote attackers to bypass authentication and gain privileges by modifying the cookie to match the target userid.

Why this priority

High severity

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Published	2005-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: pcxp toppe cms

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

Am I affected?

Timeline

2005-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:14 UTCUpdated Record last modified

pcxp toppe cms pcxp toppe cms DOWNGRADE

Affected: 1.15 · 2

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.15

1. Check installed version

apt-cache policy pcxp-toppe-cms || rpm -q pcxp-toppe-cms || pcxp-toppe-cms --version

2. No fixed release: DOWNGRADE to a release before 1.15 (Debian / Ubuntu)

apt-cache madison pcxp-toppe-cms sudo apt install pcxp-toppe-cms=<VERSION_BEFORE_1.15> sudo apt-mark hold pcxp-toppe-cms

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

dnf --showduplicates list pcxp-toppe-cms sudo dnf downgrade pcxp-toppe-cms-<VERSION_BEFORE_1.15> sudo dnf versionlock add pcxp-toppe-cms

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-2005-2464?

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

Is CVE-2005-2464 being exploited?

CVE-2005-2464 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-2005-2464 affect?

CVE-2005-2464 affects pcxp toppe cms. Severity is high (CVSS 7.5). login.php in PCXP/TOPPE CMS allows remote attackers to bypass authentication and gain privileges by modifying the cookie to match the target userid.

How urgent is CVE-2005-2464?

Priority 45/100. High severity

Software pages

PHP vulnerabilities

References

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