CVE-2008-6643: LokiCMS 0.3.4 and possibly earlier versions does not properly restrict access to administrative functions, whi

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MEDIUM 5.0DOWNGRADE

CVE-2008-6643 is a medium-severity flaw (CVSS 5.0) affecting lokicms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LokiCMS 0.3.4 and possibly earlier versions does not properly restrict access to administrative functions, which allows remote attackers to bypass intended restrictions and modify configuration settings via the LokiACTION parameter in a direct request to admin.php.

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	2.4% (top 16%)
CISA exploited list	No
Weakness	CWE-264
Published	2009-04-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: lokicms

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

Am I affected?

Timeline

2009-04-07 14:17 UTCPublished CVE record published
2026-06-16 23:02 UTCUpdated Record last modified

lokicms lokicms DOWNGRADE

Affected: 0.3.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.3.4

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.3.4 (Debian / Ubuntu)

apt-cache madison lokicms sudo apt install lokicms=<VERSION_BEFORE_0.3.4> sudo apt-mark hold lokicms

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

dnf --showduplicates list lokicms sudo dnf downgrade lokicms-<VERSION_BEFORE_0.3.4> sudo dnf versionlock add lokicms

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: LokiCMS 0.3.4 - 'writeconfig()' Remote Command Execution

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-2008-6643?

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

Is CVE-2008-6643 being exploited?

CVE-2008-6643 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-2008-6643 affect?

CVE-2008-6643 affects lokicms. Severity is medium (CVSS 5.0). LokiCMS 0.3.4 and possibly earlier versions does not properly restrict access to administrative functions, which allows remote attackers to bypass intended restrictions and modify configuration settings via the LokiACTION parameter in a dir

How urgent is CVE-2008-6643?

Priority 44/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2008-5965 MEDIUM 5.0 UPGRADE Directory traversal vulnerability in index.php in LokiCMS 0.3.4 and earlier, when magic_quotes_gpc is disabled
CVE-2008-4913 MEDIUM 5.0 UPGRADE Directory traversal vulnerability in admin.php in LokiCMS 0.3.3 and earlier allows remote attackers to delete
CVE-2008-4662 MEDIUM 6.8 DOWNGRADE Directory traversal vulnerability in admin.php in LokiCMS 0.3.4, when magic_quotes_gpc is disabled, allows rem
CVE-2008-1860 HIGH 9.3 UPGRADE Static code injection vulnerability in admin.php in LokiCMS 0.3.3 and earlier allows remote attackers to injec

References

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