CVE-2009-1771: index.php in Flyspeck CMS 6.8 does not require administrative authentication for the updateExistingContent act

This month

HIGH 7.5DOWNGRADE

CVE-2009-1771 is a high-severity flaw (CVSS 7.5) affecting flyspeck cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

index.php in Flyspeck CMS 6.8 does not require administrative authentication for the updateExistingContent action, which allows remote attackers to create or modify admin accounts via the (1) users[fullname], (2) users[email], (3) users[role_id], (4) users[username], and (5) users[password] parameters.

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	2.5% (top 16%)
CISA exploited list	No
Weakness	CWE-264
Published	2009-05-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: flyspeck

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

Am I affected?

Timeline

2009-05-22 18:30 UTCPublished CVE record published
2026-06-16 23:08 UTCUpdated Record last modified

flyspeck flyspeck cms DOWNGRADE

Affected: 6.8

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.8

1. Check installed version

apt-cache policy flyspeck-cms || rpm -q flyspeck-cms || flyspeck-cms --version

2. No fixed release: DOWNGRADE to a release before 6.8 (Debian / Ubuntu)

apt-cache madison flyspeck-cms sudo apt install flyspeck-cms=<VERSION_BEFORE_6.8> sudo apt-mark hold flyspeck-cms

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

dnf --showduplicates list flyspeck-cms sudo dnf downgrade flyspeck-cms-<VERSION_BEFORE_6.8> sudo dnf versionlock add flyspeck-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.

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: Flyspeck CMS 6.8 - Local/Remote File Inclusion / Change Add Admin

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-2009-1771?

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

Is CVE-2009-1771 being exploited?

CVE-2009-1771 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-2009-1771 affect?

CVE-2009-1771 affects flyspeck cms. Severity is high (CVSS 7.5). index.php in Flyspeck CMS 6.8 does not require administrative authentication for the updateExistingContent action, which allows remote attackers to create or modify admin accounts via the (1) users[fullname], (2) users[email], (3) users[rol

How urgent is CVE-2009-1771?

Priority 52/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2009-1770 HIGH 7.5 DOWNGRADE Directory traversal vulnerability in includes/database/examples/addressbook.php in Flyspeck CMS 6.8 allows rem

References

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