What is CVE-2024-48905?

CVE-2024-48905 is a critical-severity vulnerability in Sematell Replyone, classified under Improper Access Control. CVSS score: 9.1/10. Published 2025-05-01.

How severe is CVE-2024-48905?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Sematell Replyone

CVE-2024-48905

Sematell ReplyOne 7.4.3.0 has Insecure Permissions for the /rest/sessions endpoint.

Published 2025-05-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.9th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 35.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Sematell Replyone — versions 7.4.3.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2024-082.txt (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-48905?: CVE-2024-48905 is a critical-severity vulnerability in Sematell Replyone, classified under Improper Access Control. CVSS score: 9.1/10. Published 2025-05-01.
How severe is CVE-2024-48905?: Critical severity. CVSS v3 base score is 9.1 out of 10.