CVE-2019-19228

Name: CVE-2019-19228
Creator: NVD / NIST
Published: 2019-12-04T19:15:11.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.90%

Last modified Jun 17, 2026

CVE-2019-19228 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 1.90% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.90%

77.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-312

Affected Software

Vendor	Product	Versions
Fronius	Datamanager Box 2.0 Firmware	< 3.14.1
Fronius	Eco 25.0-3-S Firmware	< 3.14.1
Fronius	Eco 27.0-3-S Firmware	< 3.14.1
Fronius	Galvo 1.5-1 Firmware	< 3.14.1
Fronius	Galvo 1.5-1 208-240 Firmware	< 3.14.1
Fronius	Galvo 2.0-1 Firmware	< 3.14.1
Fronius	Galvo 2.0-1 208-240 Firmware	< 3.14.1
Fronius	Galvo 2.5-1 Firmware	< 3.14.1
Fronius	Galvo 2.5-1 208-240 Firmware	< 3.14.1
Fronius	Galvo 3.0-1 Firmware	< 3.14.1
Fronius	Galvo 3.1-1 Firmware	< 3.14.1
Fronius	Galvo 3.1-1 208-240 Firmware	< 3.14.1
Fronius	Primo 10.0-1 208-240 Firmware	< 3.14.1
Fronius	Primo 11.4-1 208-240 Firmware	< 3.14.1
Fronius	Primo 12.5-1 208-240 Firmware	< 3.14.1
Fronius	Primo 15.0-1 208-240 Firmware	< 3.14.1
Fronius	Primo 3.0-1 Firmware	< 3.14.1
Fronius	Primo 3.5-1 Firmware	< 3.14.1
Fronius	Primo 3.6-1 Firmware	< 3.14.1
Fronius	Primo 3.8-1 208-240 Firmware	< 3.14.1
Fronius	Primo 4.0-1 Firmware	< 3.14.1
Fronius	Primo 4.6-1 Firmware	< 3.14.1
Fronius	Primo 5.0-1 Firmware	< 3.14.1
Fronius	Primo 5.0-1 208-240 Firmware	< 3.14.1
Fronius	Primo 5.0-1 Aus Firmware	< 3.14.1
Fronius	Primo 5.0-1 Sc Firmware	< 3.14.1
Fronius	Primo 6.0-1 Firmware	< 3.14.1
Fronius	Primo 6.0-1 208-240 Firmware	< 3.14.1
Fronius	Primo 7.6-1 208-240 Firmware	< 3.14.1
Fronius	Primo 8.2-1 Firmware	< 3.14.1
Fronius	Primo 8.2-1 208-240 Firmware	< 3.14.1
Fronius	Symo 10.0-3-M Firmware	< 3.14.1
Fronius	Symo 10.0-3-M-Os Firmware	< 3.14.1
Fronius	Symo 10.0-3 208-240 Firmware	< 3.14.1
Fronius	Symo 10.0-3 480 Firmware	< 3.14.1
Fronius	Symo 12.0-3 208-240 Firmware	< 3.14.1
Fronius	Symo 12.5-3-M Firmware	< 3.14.1
Fronius	Symo 12.5-3 480 Firmware	< 3.14.1
Fronius	Symo 15.0-3-M Firmware	< 3.14.1
Fronius	Symo 15.0-3 107 Firmware	< 3.14.1
Fronius	Symo 15.0-3 480 Firmware	< 3.14.1
Fronius	Symo 17.5-3-M Firmware	< 3.14.1
Fronius	Symo 17.5-3 480 Firmware	< 3.14.1
Fronius	Symo 20.0-3-M Firmware	< 3.14.1
Fronius	Symo 20.0-3 480 Firmware	< 3.14.1
Fronius	Symo 22.7-3 480 Firmware	< 3.14.1
Fronius	Symo 24.0-3 480 Firmware	< 3.14.1
Fronius	Symo 3.0-3-M Firmware	< 3.14.1
Fronius	Symo 3.0-3-S Firmware	< 3.14.1
Fronius	Symo 3.7-3-M Firmware	< 3.14.1

Showing 50 of 66 affected configurations. See NVD for the full list.

References

http://packetstormsecurity.com/files/155562/Fronius-Solar-Inverter-Series-Insecure-Communication-Path-Traversal.htmlExploit, Third Party Advisory, VDB Entry
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilites-in-fronius-solar-inverter-series-cve-2019-19229-cve-2019-19228/Exploit, Third Party Advisory
https://seclists.org/bugtraq/2019/Dec/5Exploit, Mailing List, Third Party Advisory
http://packetstormsecurity.com/files/155562/Fronius-Solar-Inverter-Series-Insecure-Communication-Path-Traversal.htmlExploit, Third Party Advisory, VDB Entry
https://sec-consult.com/en/blog/advisories/multiple-vulnerabilites-in-fronius-solar-inverter-series-cve-2019-19229-cve-2019-19228/Exploit, Third Party Advisory
https://seclists.org/bugtraq/2019/Dec/5Exploit, Mailing List, Third Party Advisory

Timeline

Published: Dec 4, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is 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.

How severe is CVE-2019-19228?

CVE-2019-19228 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.90% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19228?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-19228?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST