CVE-2005-4861: functions.php in Ragnarok Online Control Panel (ROCP) 4.3.4a allows remote attackers to bypass authentication

This month

HIGH 7.5DOWNGRADE

CVE-2005-4861 is a high-severity flaw (CVSS 7.5) affecting ragnarok online control panel. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

functions.php in Ragnarok Online Control Panel (ROCP) 4.3.4a allows remote attackers to bypass authentication by requesting account_manage.php with a trailing "/login.php" PHP_SELF value, which is not properly handled by the CHECK_AUTH function.

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 26%)
CISA exploited list	No
Weakness	CWE-287
Published	2005-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: jasio.net

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 22:19 UTCUpdated Record last modified

jasio.net ragnarok online control panel DOWNGRADE

Affected: 4.3.4a

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.3.4a

1. Check installed version

apt-cache policy ragnarok-online-control-panel || rpm -q ragnarok-online-control-panel || ragnarok-online-control-panel --version

2. No fixed release: DOWNGRADE to a release before 4.3.4a (Debian / Ubuntu)

apt-cache madison ragnarok-online-control-panel sudo apt install ragnarok-online-control-panel=<VERSION_BEFORE_4.3.4a> sudo apt-mark hold ragnarok-online-control-panel

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

dnf --showduplicates list ragnarok-online-control-panel sudo dnf downgrade ragnarok-online-control-panel-<VERSION_BEFORE_4.3.4a> sudo dnf versionlock add ragnarok-online-control-panel

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-2005-4861?

ragnarok online control panel: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2005-4861 being exploited?

CVE-2005-4861 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-2005-4861 affect?

CVE-2005-4861 affects ragnarok online control panel. Severity is high (CVSS 7.5). functions.php in Ragnarok Online Control Panel (ROCP) 4.3.4a allows remote attackers to bypass authentication by requesting account_manage.php with a trailing "/login.php" PHP_SELF value, which is not properly handled by the CHECK_AUTH func

How urgent is CVE-2005-4861?

Priority 45/100. High severity

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-4723 HIGH 7.5 DOWNGRADE Directory traversal vulnerability in Ragnarok Online Control Panel 4.3.4a, when the Apache HTTP Server is used

References

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