CVE-2022-36231

CRITICALNVD 9.89.8—Elevated

9.8

pdf_info 0.5.3 is vulnerable to Command Execution because the Ruby code uses backticks instead of Open3.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 96.0%
KEV: Not listed

Published

February 23, 2023

Last Modified

March 13, 2025

References (8)

cve@mitrehttps://github.com/affix/CVE-2022-36231
cve@mitrehttps://github.com/newspaperclub/pdf_info/issues/16
cve@mitrehttps://github.com/newspaperclub/pdf_info/pull/15
cve@mitrehttps://rubygems.org/gems/pdf_info
af854a3a-2127-422b-91ae-364da2661108https://github.com/affix/CVE-2022-36231
af854a3a-2127-422b-91ae-364da2661108https://github.com/newspaperclub/pdf_info/issues/16
af854a3a-2127-422b-91ae-364da2661108https://github.com/newspaperclub/pdf_info/pull/15
af854a3a-2127-422b-91ae-364da2661108https://rubygems.org/gems/pdf_info

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
rubygems	pdf_info	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

RubyGems(1)

Package	Vulnerable range	Fixed in	Dependents
pdf_info	0.1.0 ... 0.5.3 (9 versions)	—	—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:46 UTCepss_batch
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2026-06-05 22:46 UTCepss_batch
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCaffix/CVE-2022-36231
First seen Oct 26, 2022
pdf_info <= 0.5.3 OS Command Injection
Open source ↗

Frequently asked(5)

What is CVE-2022-36231?

CVE-2022-36231 is a critical vulnerability published on February 23, 2023. pdf_info 0.5.3 is vulnerable to Command Execution because the Ruby code uses backticks instead of Open3.

When was CVE-2022-36231 disclosed?

CVE-2022-36231 was first published in the National Vulnerability Database on February 23, 2023, with the most recent update on March 13, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-36231 actively exploited?

CVE-2022-36231 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 96.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-36231?

CVE-2022-36231 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-36231?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-36231, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-36231

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CVE-2022-36231

📅 Published

🔄 Last Modified

🔗 References (8)