What is CVE-2023-38348?

CVE-2023-38348 is a high-severity vulnerability in Lw-Systems Benno Mailarchiv, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2023-08-09.

How severe is CVE-2023-38348?

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

CSRF in Lw-Systems Benno Mailarchiv

CVE-2023-38348

A CSRF issue was discovered in LWsystems Benno MailArchiv 2.10.1.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2023-08-09 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.003 (25.8th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Lw-Systems Benno Mailarchiv

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

wiki.benno-mailarchiv.de/doku.php (Vendor Advisory)
blog.sebastianschmitt.eu/security/xsrf-in-benno-mailarchiv-web-app-benno-web-2-… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-38348?: CVE-2023-38348 is a high-severity vulnerability in Lw-Systems Benno Mailarchiv, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2023-08-09.
How severe is CVE-2023-38348?: High severity. CVSS v3 base score is 8.8 out of 10.