What is CVE-2018-17928?

CVE-2018-17928 is a medium-severity vulnerability in Abb Cms-770, classified under Improper Authentication. CVSS score: 6.5/10. Published 2019-01-31.

How severe is CVE-2018-17928?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Abb Cms-770

CVE-2018-17928

The product CMS-770 (Software Versions 1.7.1 and prior)is vulnerable that an attacker can read sensitive configuration files by bypassing the user authentication mechanism.

Vulnerability class: Broken Authentication

Published 2019-01-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Abb Cms-770 — versions Software Versions 1.7.1 and prior.
Abb Cms-770 Firmware

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

www.securityfocus.com/bid/106244 (VDB Entry, Third Party Advisory, vdb-entry)
ics-cert.us-cert.gov/advisories/ICSA-18-352-06 (US Government Resource, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2018-17928?: CVE-2018-17928 is a medium-severity vulnerability in Abb Cms-770, classified under Improper Authentication. CVSS score: 6.5/10. Published 2019-01-31.
How severe is CVE-2018-17928?: Medium severity. CVSS v3 base score is 6.5 out of 10.