How severe is CVE-2021-43478?

CVE-2021-43478 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.

Is CVE-2021-43478 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43478?

CVE-2021-43478 affects Hoosk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43478?

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

When was CVE-2021-43478 published?

CVE-2021-43478 was published on 2022-03-31 and last updated on 2026-06-17.

CVE-2021-43478

CVE-2021-43478 is a medium-severity vulnerability in Hoosk with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 5.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hoosk
Published: 2022-03-31
Last modified: 2026-06-17

Description

A vulnerability exists in Hoosk 1.8.0 in /install/index.php, due to a failure to check if config.php already exists in the root directory, which could let a malicious user reinstall the website.

Frequently asked questions

What is CVE-2021-43478?: A vulnerability exists in Hoosk 1.8.0 in /install/index.php, due to a failure to check if config.php already exists in the root directory, which could let a malicious user reinstall the website.
How severe is CVE-2021-43478?: CVE-2021-43478 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability low.
Is CVE-2021-43478 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43478?: CVE-2021-43478 affects Hoosk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43478?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-43478 published?: CVE-2021-43478 was published on 2022-03-31 and last updated on 2026-06-17.

References

https://github.com/kr0za/bugs/issues/1

Affected products (1)

cpe:2.3:a:hoosk:hoosk:1.8.0:*:*:*:*:*:*:*

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