How severe is CVE-2019-7677?

CVE-2019-7677 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-2019-7677 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-7677?

CVE-2019-7677 affects Enphase Envoy. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-7677?

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

When was CVE-2019-7677 published?

CVE-2019-7677 was published on 2019-02-09 and last updated on 2026-06-17.

CVE-2019-7677

CVE-2019-7677 is a medium-severity vulnerability in Enphase Envoy 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% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Enphase Envoy
Published: 2019-02-09
Last modified: 2026-06-17

Description

XSS exists in Enphase Envoy R3.*.* via the profileName parameter to the /home URI on TCP port 8888.

Frequently asked questions

What is CVE-2019-7677?: XSS exists in Enphase Envoy R3.*.* via the profileName parameter to the /home URI on TCP port 8888.
How severe is CVE-2019-7677?: CVE-2019-7677 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-2019-7677 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-7677?: CVE-2019-7677 affects Enphase Envoy. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-7677?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-7677 published?: CVE-2019-7677 was published on 2019-02-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:enphase:envoy:*:*:*:*:*:*:*:*

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CVE-2019-7678 — Critical (CVSS 9.8): A directory traversal vulnerability was discovered in Enphase Envoy R3.*.* via images/, include/, include/js, or…
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