How severe is CVE-2010-3673?

CVE-2010-3673 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 low, integrity none, and availability none.

Is CVE-2010-3673 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3673?

CVE-2010-3673 affects Typo3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-3673?

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

When was CVE-2010-3673 published?

CVE-2010-3673 was published on 2019-11-05 and last updated on 2026-06-16.

CVE-2010-3673

CVE-2010-3673 is a medium-severity vulnerability in Typo3 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Typo3
Published: 2019-11-05
Last modified: 2026-06-16

Description

TYPO3 before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows information disclosure in the mail header of the HTML mailing API.

Frequently asked questions

What is CVE-2010-3673?: TYPO3 before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows information disclosure in the mail header of the HTML mailing API.
How severe is CVE-2010-3673?: CVE-2010-3673 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 low, integrity none, and availability none.
Is CVE-2010-3673 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3673?: CVE-2010-3673 affects Typo3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-3673?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3673 published?: CVE-2010-3673 was published on 2019-11-05 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*

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