CVE-2011-3772: phpCollab 2.5 allows remote attackers to obtain sensitive information via a direct request to a .php file, whi

Routine

MEDIUM 5.0DOWNGRADE

CVE-2011-3772 is a medium-severity flaw (CVSS 5.0) affecting phpcollab. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

phpCollab 2.5 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 topics/noti_newtopic.php and certain other files.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-200
Published	2011-09-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: php-collab

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

Am I affected?

Timeline

2011-09-24 00:55 UTCPublished CVE record published
2026-06-16 23:33 UTCUpdated Record last modified

php-collab phpcollab DOWNGRADE

Affected: 2.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.5 (Debian / Ubuntu)

apt-cache madison phpcollab sudo apt install phpcollab=<VERSION_BEFORE_2.5> sudo apt-mark hold phpcollab

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

dnf --showduplicates list phpcollab sudo dnf downgrade phpcollab-<VERSION_BEFORE_2.5> sudo dnf versionlock add phpcollab

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-2011-3772?

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

Is CVE-2011-3772 being exploited?

CVE-2011-3772 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-2011-3772 affect?

CVE-2011-3772 affects phpcollab. Severity is medium (CVSS 5.0). phpCollab 2.5 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 topics/noti_newtopic.php and certain other files.

How urgent is CVE-2011-3772?

Priority 35/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

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References

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