How severe is CVE-2019-19228?

CVE-2019-19228 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-19228 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19228?

CVE-2019-19228 primarily affects Fronius Datamanager Box 2.0 Firmware. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-19228?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-19228 published?

CVE-2019-19228 was published on 2019-12-04 and last updated on 2026-06-17.

CVE-2019-19228

CVE-2019-19228 is a critical-severity vulnerability in Fronius Datamanager Box 2.0 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Fronius Datamanager Box 2.0 Firmware
Published: 2019-12-04
Last modified: 2026-06-17

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.

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 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-19228 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19228?: CVE-2019-19228 primarily affects Fronius Datamanager Box 2.0 Firmware. In total, 66 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-19228?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-19228 published?: CVE-2019-19228 was published on 2019-12-04 and last updated on 2026-06-17.

References

Affected products (66)

cpe:2.3:o:fronius:datamanager_box_2.0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:eco_25.0-3-s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:eco_27.0-3-s_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_1.5-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_1.5-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_2.0-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_2.0-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_2.5-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_2.5-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_3.0-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_3.1-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:galvo_3.1-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_10.0-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_11.4-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_12.5-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_15.0-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_3.0-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_3.5-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_3.6-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_3.8-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_4.0-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_4.6-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_5.0-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_5.0-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_5.0-1_aus_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_5.0-1_sc_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_6.0-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_6.0-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_7.6-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_8.2-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:primo_8.2-1_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_10.0-3-m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_10.0-3-m-os_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_10.0-3_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_10.0-3_480_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_12.0-3_208-240_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_12.5-3-m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_12.5-3_480_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_15.0-3-m_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:fronius:symo_15.0-3_107_firmware:*:*:*:*:*:*:*:*

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