CVE-2020-27191: LionWiki before 3.2.12 allows an unauthenticated user to read files as the web server user via crafted string

Q: How do I fix CVE-2020-27191?

lionwiki: upgrade to 3.2.12. Exact commands for each OS are on this page.

Q: Is CVE-2020-27191 being exploited?

CVE-2020-27191 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-27191 affect?

CVE-2020-27191 affects lionwiki. Severity is high (CVSS 7.5). 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 supporte

Q: How urgent is CVE-2020-27191?

Priority 60/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2020-27191 is a high-severity flaw (CVSS 7.5) affecting lionwiki. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	9.6% (top 5%)
CISA exploited list	No
Published	2020-11-16
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: lionwiki

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-11-16 16:15 UTCPublished CVE record published
2026-06-17 03:08 UTCUpdated Record last modified

lionwiki lionwiki UPGRADE

Affected: < 3.2.12

Fixed in: 3.2.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lionwiki || rpm -q lionwiki || lionwiki --version

2. UPGRADE to 3.2.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lionwiki

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lionwiki

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: LionWiki <3.2.12 - Local File Inclusion

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-27191?

lionwiki: upgrade to 3.2.12. Exact commands for each OS are on this page.

Is CVE-2020-27191 being exploited?

CVE-2020-27191 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-27191 affect?

CVE-2020-27191 affects lionwiki. Severity is high (CVSS 7.5). 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 supporte

How urgent is CVE-2020-27191?

Priority 60/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

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