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Fencer Vulns
critical 9.8

CVE-2019-19228 json

Fronius Solar Inverter devices before 3.14.1 (HM 1.12.1) allow attackers to bypass authentication because the password for the today accoun…

published 2019-12-04 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-8854

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

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.

Patch / fix

  • 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

Exploit prediction

1.90% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • seclists.org https://seclists.org/bugtraq/2019/Dec/5 referenced PoC, tagged "exploit" by a source, unverified
  • sec-consult.com https://sec-consult.com/en/blog/advisories/multiple-vulnerabilites-in-fronius-solar-inverter-series-cve-2019-19229-cve-2019-19228/ referenced PoC, tagged "exploit" by a source, unverified
  • packetstormsecurity.com http://packetstormsecurity.com/files/155562/Fronius-Solar-Inverter-Series-Insecure-Communication-Path-Traversal.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-312 Cleartext Storage of Sensitive Information

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.