What is CVE-2023-41108?

CVE-2023-41108 is a high-severity vulnerability in Tef Portal, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-09-05.

How severe is CVE-2023-41108?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Tef Portal

CVE-2023-41108

TEF portal 2023-07-17 is vulnerable to authenticated remote code execution.

Vulnerability class: Unrestricted File Upload

Published 2023-09-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.9th percentile), scored 2026-10-08.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Tef Portal — versions 2023-07-17

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2023-021.txt (Exploit, Vendor Advisory)
www.syss.de/pentest-blog/sicherheitsschwachstellen-im-tef-haendlerportal-syss-2… (Vendor Advisory)

Frequently asked questions

What is CVE-2023-41108?: CVE-2023-41108 is a high-severity vulnerability in Tef Portal, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2023-09-05.
How severe is CVE-2023-41108?: High severity. CVSS v3 base score is 8.8 out of 10.