How severe is CVE-2020-25026?

CVE-2020-25026 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-25026 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-2020-25026?

CVE-2020-25026 affects Derhansen Event Management And Registration. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25026?

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

When was CVE-2020-25026 published?

CVE-2020-25026 was published on 2020-09-02 and last updated on 2026-06-17.

CVE-2020-25026

CVE-2020-25026 is a medium-severity vulnerability in Derhansen Event Management And Registration with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Derhansen Event Management And Registration
Published: 2020-09-02
Last modified: 2026-06-17

Description

The sf_event_mgt (aka Event management and registration) extension before 4.3.1 and 5.x before 5.1.1 for TYPO3 allows Information Disclosure (participant data, and event data via email) because of Broken Access Control.

Frequently asked questions

What is CVE-2020-25026?: The sf_event_mgt (aka Event management and registration) extension before 4.3.1 and 5.x before 5.1.1 for TYPO3 allows Information Disclosure (participant data, and event data via email) because of Broken Access Control.
How severe is CVE-2020-25026?: CVE-2020-25026 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-25026 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-2020-25026?: CVE-2020-25026 affects Derhansen Event Management And Registration. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25026?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-25026 published?: CVE-2020-25026 was published on 2020-09-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:derhansen:event_management_and_registration:*:*:*:*:*:typo3:*:*

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