How severe is CVE-2011-3721?

CVE-2011-3721 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-3721 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3721?

CVE-2011-3721 primarily affects Concrete5 Concrete. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3721?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-3721 published?

CVE-2011-3721 was published on 2011-09-23 and last updated on 2026-06-16.

CVE-2011-3721

CVE-2011-3721 is a medium-severity vulnerability in Concrete5 Concrete with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Concrete5 Concrete
Published: 2011-09-23
Last modified: 2026-06-16

Description

concrete 5.4.0.5, 5.4.1, and 5.4.1.1 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 tools/spellchecker_service.php and certain other files.

Frequently asked questions

What is CVE-2011-3721?: concrete 5.4.0.5, 5.4.1, and 5.4.1.1 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 tools/spellchecker_service.php and certain other files.
How severe is CVE-2011-3721?: CVE-2011-3721 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-3721 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3721?: CVE-2011-3721 primarily affects Concrete5 Concrete. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3721?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3721 published?: CVE-2011-3721 was published on 2011-09-23 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:concrete5:concrete:5.4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:concrete5:concrete:5.4.1:*:*:*:*:*:*:*
cpe:2.3:a:concrete5:concrete:5.4.1.1:*:*:*:*:*:*:*

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