What is CVE-2014-4198?

CVE-2014-4198 is a critical-severity vulnerability in Bssys Rbs Bs-Client. Retail Client, classified under Improper Authentication. CVSS score: 9.1/10. Published 2020-02-13.

How severe is CVE-2014-4198?

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

Auth bypass in Bssys Rbs Bs-Client. Retail Client

CVE-2014-4198

A Two-Factor Authentication Bypass Vulnerability exists in BS-Client Private Client 2.4 and 2.5 via an XML request that neglects the use of ADPswID and AD parameters, which could let a malicious user access privileged function.

Vulnerability class: Broken Authentication

Published 2020-02-13 · 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: 0.013 (69.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Bssys Rbs Bs-Client. Retail Client — versions 2.4, 2.5

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www3.trustwave.com/spiderlabs/advisories/TWSL2014-009.txt (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2014-4198?: CVE-2014-4198 is a critical-severity vulnerability in Bssys Rbs Bs-Client. Retail Client, classified under Improper Authentication. CVSS score: 9.1/10. Published 2020-02-13.
How severe is CVE-2014-4198?: Critical severity. CVSS v3 base score is 9.1 out of 10.