CVE-2011-3754: Mambo 4.6.5 allows remote attackers to obtain sensitive information via a direct request to a .php file, which

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MEDIUM 5.0DOWNGRADE

CVE-2011-3754 is a medium-severity flaw (CVSS 5.0) affecting mambo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Mambo 4.6.5 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by includes/sef.php and certain other files.

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-200
Published	2011-09-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: mambo-foundation

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

Am I affected?

Timeline

2011-09-23 23:55 UTCPublished CVE record published
2026-06-16 23:33 UTCUpdated Record last modified

mambo-foundation mambo DOWNGRADE

Affected: 4.6.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.6.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.6.5 (Debian / Ubuntu)

apt-cache madison mambo sudo apt install mambo=<VERSION_BEFORE_4.6.5> sudo apt-mark hold mambo

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

dnf --showduplicates list mambo sudo dnf downgrade mambo-<VERSION_BEFORE_4.6.5> sudo dnf versionlock add mambo

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-2011-3754?

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

Is CVE-2011-3754 being exploited?

CVE-2011-3754 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-2011-3754 affect?

CVE-2011-3754 affects mambo. Severity is medium (CVSS 5.0). Mambo 4.6.5 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by includes/sef.php and certain other files.

How urgent is CVE-2011-3754?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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