How severe is CVE-2011-4912?

CVE-2011-4912 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2011-4912 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4912?

CVE-2011-4912 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2011-4912?

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

When was CVE-2011-4912 published?

CVE-2011-4912 was published on 2020-02-04 and last updated on 2026-06-16.

CVE-2011-4912

CVE-2011-4912 is a medium-severity vulnerability in Joomla Joomla! with a CVSS 3.x base score of 5.3. 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-732.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Joomla Joomla!
Published: 2020-02-04
Last modified: 2026-06-16

Description

Joomla! com_mailto 1.5.x through 1.5.13 has an automated mail timeout bypass.

Frequently asked questions

What is CVE-2011-4912?: Joomla! com_mailto 1.5.x through 1.5.13 has an automated mail timeout bypass.
How severe is CVE-2011-4912?: CVE-2011-4912 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2011-4912 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4912?: CVE-2011-4912 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-4912?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4912 published?: CVE-2011-4912 was published on 2020-02-04 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

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