CVE-2020-25026

mediumpriority · track · 17OT risk · elevatedEPSS 0.008 · 55 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.77% (55th) EPSS

CVSS 4 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · OSV

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-863US

affected products (5)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
derhansen event management and registration< 4.3.1nvdUScpe:2.3:a:derhansen:event_management_and_registration:*:*:*:*:*:*:*:*
derhansen event management and registration5.0.0 → 5.1.1nvdUScpe:2.3:a:derhansen:event_management_and_registration:*:*:*:*:*:*:*:*
Packagist derhansen/sf_event_mgt< 4.3.1osvUSpkg:composer/derhansen/sf_event_mgt
Packagist derhansen/sf_event_mgt5.0.0 → 5.1.1osvUSpkg:composer/derhansen/sf_event_mgt

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-g8rg-7rpr-cwr2Information Disclosure in TYPO3 extension sf_event_mgt2020-09-02ghsa · osvUS
A missing access check in the backend module allows an authenticated backend user to export participant data for events which the user does not have access to, resulting in Information Disclosure. Another missing access check in the backend module allows an authenticated backend user to send emails to event participants for events which the user does not have access to, resulting in Broken Access Control. External reference: [https://typo3.org/security/advisory/typo3-ext-sa-2020-017](https://typo3.org/security/advisory/typo3-ext-sa-2020-017)

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2020-09-02modified 2026-06-17

references (9)

External citations — patches, advisories, analysis.

scry

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