CVE-2022-40407

HIGHNVD 8.88.8—Elevated

8.8

A zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to execute arbitrary code via a crafted Zip file.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 77.7%
KEV: Not listed

Published

September 29, 2022

Last Modified

May 20, 2025

References (6)

cve@mitrehttps://github.com/alexmackey/security-research/blob/main/chamilo/ChamiloRceViaZipSlip.md
cve@mitrehttps://github.com/chamilo/chamilo-lms
cve@mitrehttps://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-94-2022-09-06-High-impact-Moderate-risk-Authenticated-RCE-via-zipslip-attack-in-file-upload
af854a3a-2127-422b-91ae-364da2661108https://github.com/alexmackey/security-research/blob/main/chamilo/ChamiloRceViaZipSlip.md
af854a3a-2127-422b-91ae-364da2661108https://github.com/chamilo/chamilo-lms
af854a3a-2127-422b-91ae-364da2661108https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-94-2022-09-06-High-impact-Moderate-risk-Authenticated-RCE-via-zipslip-attack-in-file-upload

Weakness Classification(1)

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

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 12× 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.

2026-06-05 06:09 UTCepss_batch
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2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
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2026-05-31 22:29 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
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2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2022-40407?

CVE-2022-40407 is a high vulnerability published on September 29, 2022. A zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to execute arbitrary code via a crafted Zip file.

When was CVE-2022-40407 disclosed?

CVE-2022-40407 was first published in the National Vulnerability Database on September 29, 2022, with the most recent update on May 20, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-40407 actively exploited?

CVE-2022-40407 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 77.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-40407?

CVE-2022-40407 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2022-40407?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-40407, 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

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CVE-2022-40407

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-40407?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

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