How severe is CVE-2019-18231?

CVE-2019-18231 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-18231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-18231?

CVE-2019-18231 affects Advantech Spectre Rt Ert351 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-18231?

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

When was CVE-2019-18231 published?

CVE-2019-18231 was published on 2021-03-17 and last updated on 2026-06-17.

CVE-2019-18231

CVE-2019-18231 is a high-severity vulnerability in Advantech Spectre Rt Ert351 Firmware with a CVSS 3.x base score of 7.5. 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-319.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Advantech Spectre Rt Ert351 Firmware
Published: 2021-03-17
Last modified: 2026-06-17

Description

Advantech Spectre RT ERT351 Versions 5.1.3 and prior logins and passwords are transmitted in clear text form, which may allow an attacker to intercept the request.

Frequently asked questions

What is CVE-2019-18231?: Advantech Spectre RT ERT351 Versions 5.1.3 and prior logins and passwords are transmitted in clear text form, which may allow an attacker to intercept the request.
How severe is CVE-2019-18231?: CVE-2019-18231 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-18231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-18231?: CVE-2019-18231 affects Advantech Spectre Rt Ert351 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-18231?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-18231 published?: CVE-2019-18231 was published on 2021-03-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:advantech:spectre_rt_ert351_firmware:*:*:*:*:*:*:*:*

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