What is CVE-2019-19228?

CVE-2019-19228 is a critical-severity vulnerability in Fronius Datamanager Box 2.0, classified under Cleartext Storage of Sensitive Information. CVSS score: 9.8/10. Published 2019-12-04.

How severe is CVE-2019-19228?

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

Vulnerability in Fronius Datamanager Box 2.0

CVE-2019-19228

Fronius Solar Inverter devices before 3.14.1 (HM 1.12.1) allow attackers to bypass authentication because the password for the today account is stored in the /tmp/web_users.conf file.

Published 2019-12-04 · last modified 2026-06-17.

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: 0.019 (78.9th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

seclists.org/bugtraq/2019/Dec/5 (Exploit, Mailing List, Third Party Advisory)
sec-consult.com/en/blog/advisories/multiple-vulnerabilites-in-fronius-solar-inv… (Exploit, Third Party Advisory)
packetstormsecurity.com/files/155562/Fronius-Solar-Inverter-Series-Insecure-Com… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2019-19228?: CVE-2019-19228 is a critical-severity vulnerability in Fronius Datamanager Box 2.0, classified under Cleartext Storage of Sensitive Information. CVSS score: 9.8/10. Published 2019-12-04.
How severe is CVE-2019-19228?: Critical severity. CVSS v3 base score is 9.8 out of 10.