Auth bypass in Liveboxcloud Vdesk

CVE-2022-45174

An issue was discovered in LIVEBOX Collaboration vDesk through v018. A Bypass of Two-Factor Authentication for SAML Users can occur under the /login/backup_code endpoint and the /api/v1/vdeskintegration/challenge endpoint. The correctness of the TOTP is not checked properly, and can be bypassed by passing any string as the backup code.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-45174: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-45174?
CVE-2022-45174 is a critical-severity vulnerability in Liveboxcloud Vdesk, classified under Improper Authentication. CVSS score: 9.8/10. Published 2023-04-14.
How severe is CVE-2022-45174?
Critical severity. CVSS v3 base score is 9.8 out of 10.