CVE-2009-2648: FlashDen Guestbook allows remote attackers to obtain configuration information via a direct request to amfphp/

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MEDIUM 5.0MITIGATE

CVE-2009-2648 is a medium-severity flaw (CVSS 5.0) affecting guestbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FlashDen Guestbook allows remote attackers to obtain configuration information via a direct request to amfphp/phpinfo.php, which calls the phpinfo function.

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	1.3% (top 29%)
CISA exploited list	No
Weakness	CWE-264
Published	2009-07-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: flashden

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

Am I affected?

Timeline

2009-07-30 19:30 UTCPublished CVE record published
2026-06-16 23:09 UTCUpdated Record last modified

flashden guestbook MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2009-2648?

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

Is CVE-2009-2648 being exploited?

CVE-2009-2648 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-2009-2648 affect?

CVE-2009-2648 affects guestbook. Severity is medium (CVSS 5.0). FlashDen Guestbook allows remote attackers to obtain configuration information via a direct request to amfphp/phpinfo.php, which calls the phpinfo function.

How urgent is CVE-2009-2648?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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