CVE-2022-42029Network attack vector

Authenticated file exposure via unsanitized temporary names

Published Oct 17, 2022 · Updated May 14, 2025

Local file inclusion in Chamilo 1.11.16 allows remote authenticated users with big-file-upload access to expose local files. The bigUpload.php postUnsupported handler passes the POST key to setTempName without filtering dangerous characters or filenames. Access to the big-file-upload feature is required; selected server files can be copied or moved into the web directory, exposing their contents.

CVSS severity8.8
High
EPSS probability0.75%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Local file inclusion in Chamilo 1.11.16 allows remote authenticated users with big-file-upload access to expose local files. The bigUpload.php postUnsupported handler passes the POST key to setTempName without filtering dangerous characters or filenames. Access to the big-file-upload feature is required; selected server files can be copied or moved into the web directory, exposing their contents.

The record

CVE
CVE-2022-42029
Published
Oct 17, 2022
Updated
May 14, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-434, T1005, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 17, 2022CVE publishedPublication date reported by the CVE source.
  2. May 14, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1005Data from Local System
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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