How severe is CVE-2018-15820?

CVE-2018-15820 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-15820 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15820?

CVE-2018-15820 affects Easyio Easyio 30p Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15820?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-15820 published?

CVE-2018-15820 was published on 2020-03-02 and last updated on 2026-06-17.

CVE-2018-15820

CVE-2018-15820 is a medium-severity vulnerability in Easyio Easyio 30p Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Easyio Easyio 30p Firmware
Published: 2020-03-02
Last modified: 2026-06-17

Description

EasyIO EasyIO-30P devices before 2.0.5.27 allow XSS via the dev.htm GDN parameter.

Frequently asked questions

What is CVE-2018-15820?: EasyIO EasyIO-30P devices before 2.0.5.27 allow XSS via the dev.htm GDN parameter.
How severe is CVE-2018-15820?: CVE-2018-15820 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-15820 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15820?: CVE-2018-15820 affects Easyio Easyio 30p Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15820?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-15820 published?: CVE-2018-15820 was published on 2020-03-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:easyio:easyio_30p_firmware:*:*:*:*:*:*:*:*

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CVE-2018-15819 — High (CVSS 7.5): EasyIO EasyIO-30P devices before 2.0.5.27 have Incorrect Access Control, related to webuser.js.

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