How severe is CVE-2022-36563?

CVE-2022-36563 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-36563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-36563?

CVE-2022-36563 affects Rubyinstaller Rubyinstaller2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-36563?

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-2022-36563 published?

CVE-2022-36563 was published on 2022-08-30 and last updated on 2026-06-17.

CVE-2022-36563

CVE-2022-36563 is a high-severity vulnerability in Rubyinstaller Rubyinstaller2 with a CVSS 3.x base score of 8.8. 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 8.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Rubyinstaller Rubyinstaller2
Published: 2022-08-30
Last modified: 2026-06-17

Description

Incorrect access control in the install directory (C:\RailsInstaller) of Rubyinstaller2 v3.1.2 and below allows authenticated attackers to execute arbitrary code via overwriting binaries located in the directory.

Frequently asked questions

What is CVE-2022-36563?: Incorrect access control in the install directory (C:\RailsInstaller) of Rubyinstaller2 v3.1.2 and below allows authenticated attackers to execute arbitrary code via overwriting binaries located in the directory.
How severe is CVE-2022-36563?: CVE-2022-36563 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-36563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-36563?: CVE-2022-36563 affects Rubyinstaller Rubyinstaller2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-36563?: 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-2022-36563 published?: CVE-2022-36563 was published on 2022-08-30 and last updated on 2026-06-17.

References

https://github.com/ycdxsb/Vuln/blob/main/Railsinstaller-Vuln/Railsinstaller-Vuln.md

Affected products (1)

cpe:2.3:a:rubyinstaller:rubyinstaller2:*:*:*:*:*:ruby:*:*

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