Auth bypass in Ics-cert Pr100088 Modbus Gateway

CVE-2019-6533

Registers used to store Modbus values can be read and written from the web interface without authentication in the PR100088 Modbus gateway versions prior to Release R02 (or Software Version 1.1.13166).

Vulnerability class: Broken Authentication

EPSS: 0.012 (65.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

  • ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC, Mitigation)

Frequently asked questions

What is CVE-2019-6533?
CVE-2019-6533 is a critical-severity vulnerability in Ics-cert Pr100088 Modbus Gateway, classified under Missing Authentication for Critical Function. CVSS score: 9.1/10. Published 2019-02-12.
How severe is CVE-2019-6533?
Critical severity. CVSS v3 base score is 9.1 out of 10.