How severe is CVE-2019-5243?

CVE-2019-5243 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2019-5243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-5243?

CVE-2019-5243 affects Huawei Hg255s Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-5243?

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

When was CVE-2019-5243 published?

CVE-2019-5243 was published on 2019-06-10 and last updated on 2026-06-17.

CVE-2019-5243

CVE-2019-5243 is a medium-severity vulnerability in Huawei Hg255s Firmware with a CVSS 3.x base score of 4.3. 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-1021.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v2: 4.3
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1021
Affected product: Huawei Hg255s Firmware
Published: 2019-06-10
Last modified: 2026-06-17

Description

There is a Clickjacking vulnerability in Huawei HG255s product. An attacker may trick user to click a link and affect the integrity of a device by exploiting this vulnerability.

Frequently asked questions

What is CVE-2019-5243?: There is a Clickjacking vulnerability in Huawei HG255s product. An attacker may trick user to click a link and affect the integrity of a device by exploiting this vulnerability.
How severe is CVE-2019-5243?: CVE-2019-5243 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2019-5243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-5243?: CVE-2019-5243 affects Huawei Hg255s Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-5243?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-5243 published?: CVE-2019-5243 was published on 2019-06-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:huawei:hg255s_firmware:-:*:*:*:*:*:*:*

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