What is CVE-2018-9031?

CVE-2018-9031 is a critical-severity vulnerability in Tnlsoftsolutions Sentry Vision, classified under Insufficiently Protected Credentials. CVSS score: 9.8/10. Published 2018-03-29.

How severe is CVE-2018-9031?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Tnlsoftsolutions Sentry Vision

CVE-2018-9031

The login interface on TNLSoftSolutions Sentry Vision 3.x devices provides password disclosure by reading an "if(pwd ==" line in the HTML source code. This means, in effect, that authentication occurs only on the client side.

Published 2018-03-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.8th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.015 · change: -0.000

Affected products

Tnlsoftsolutions Sentry Vision — versions 3.0, 3.1, 3.2

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

gist.github.com/pabloonicarres/c2c284ca7b025d629da39087445ed15d (Exploit, Third Party Advisory)
www.youtube.com/watch (Third Party Advisory)

Frequently asked questions

What is CVE-2018-9031?: CVE-2018-9031 is a critical-severity vulnerability in Tnlsoftsolutions Sentry Vision, classified under Insufficiently Protected Credentials. CVSS score: 9.8/10. Published 2018-03-29.
How severe is CVE-2018-9031?: Critical severity. CVSS v3 base score is 9.8 out of 10.