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.

Published: 2020-09-02 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2020-25026 is rated Low Risk (35.5/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.77%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-25026

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.20% 0.77% +0.57%
2 2025-03-30 0.42% 0.20% -0.22%
3 2025-03-29 — 0.42% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-25026

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 1.4 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
 8.0 2.9 [email protected]

Weakness enumeration for CVE-2020-25026

GitHub Security Advisory for CVE-2020-25026

GHSA-g8rg-7rpr-cwr2 · Severity: medium · Ecosystem: composer — Information Disclosure in TYPO3 extension sf_event_mgt

Affected software / configurations for CVE-2020-25026

Vendor Product Version Raw CPE
derhansen event_management_and_registration < 4.3.1 cpe:2.3:a:derhansen:event_management_and_registration:*:*:*:*:*:typo3:*:*
derhansen event_management_and_registration >= 5.0.0, < 5.1.1 cpe:2.3:a:derhansen:event_management_and_registration:*:*:*:*:*:typo3:*:*

References for CVE-2020-25026

cvelogic Threat Intelligence