How severe is CVE-2020-27191?

CVE-2020-27191 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-2020-27191 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27191?

CVE-2020-27191 affects Lionwiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27191?

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-2020-27191 published?

CVE-2020-27191 was published on 2020-11-16 and last updated on 2026-06-17.

CVE-2020-27191

CVE-2020-27191 is a high-severity vulnerability in Lionwiki 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Lionwiki
Published: 2020-11-16
Last modified: 2026-06-17

Description

LionWiki before 3.2.12 allows an unauthenticated user to read files as the web server user via crafted string in the index.php f1 variable, aka Local File Inclusion. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2020-27191?: LionWiki before 3.2.12 allows an unauthenticated user to read files as the web server user via crafted string in the index.php f1 variable, aka Local File Inclusion. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2020-27191?: CVE-2020-27191 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-2020-27191 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27191?: CVE-2020-27191 affects Lionwiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27191?: 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-2020-27191 published?: CVE-2020-27191 was published on 2020-11-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lionwiki:lionwiki:*:*:*:*:*:*:*:*

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