How severe is CVE-2014-3553?

CVE-2014-3553 has a CVSS 2.0 base score of 4.9, rated medium severity.

Is CVE-2014-3553 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-3553?

CVE-2014-3553 primarily affects Moodle. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-3553?

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

When was CVE-2014-3553 published?

CVE-2014-3553 was published on 2014-07-29 and last updated on 2026-06-17.

CVE-2014-3553

CVE-2014-3553 is a medium-severity vulnerability in Moodle with a CVSS 2.0 base score of 4.9. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.9)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Moodle
Published: 2014-07-29
Last modified: 2026-06-17

Description

mod/forum/classes/post_form.php in Moodle through 2.3.11, 2.4.x before 2.4.11, 2.5.x before 2.5.7, 2.6.x before 2.6.4, and 2.7.x before 2.7.1 does not enforce the moodle/site:accessallgroups capability requirement before proceeding with a post to all groups, which allows remote authenticated users to bypass intended access restrictions by leveraging two or more group memberships.

Frequently asked questions

What is CVE-2014-3553?: mod/forum/classes/post_form.php in Moodle through 2.3.11, 2.4.x before 2.4.11, 2.5.x before 2.5.7, 2.6.x before 2.6.4, and 2.7.x before 2.7.1 does not enforce the moodle/site:accessallgroups capability requirement before proceeding with a post to all groups, which allows remote authenticated users to bypass intended access restrictions by leveraging two or more group memberships.
How severe is CVE-2014-3553?: CVE-2014-3553 has a CVSS 2.0 base score of 4.9, rated medium severity.
Is CVE-2014-3553 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-3553?: CVE-2014-3553 primarily affects Moodle. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-3553?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-3553 published?: CVE-2014-3553 was published on 2014-07-29 and last updated on 2026-06-17.

References

Affected products (35)

cpe:2.3:a:moodle:moodle:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.5.6:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.7.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.6:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.7:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.8:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.9:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.3.10:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.3:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.4:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.5:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.6:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.7:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.8:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.9:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.4.10:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.2:*:*:*:*:*:*:*
cpe:2.3:a:moodle:moodle:2.6.3:*:*:*:*:*:*:*

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