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CVE-2021-32925: admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entit...

admin/user_import.php in Chamilo 1.11.x reads XML data without disabling the ability to load external entities.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Chamilo 1.11.x user import could process malicious XML in a way that lets external entities be loaded. The cited vendor issue labels it high impact but very low risk, and a public writeup describes authenticated LFI/RCE impact. No source here proves active exploitation.

Executive priority

Treat as a high-priority remediation item for any Chamilo 1.11.x system, especially internet-facing learning platforms. The business risk is sensitive file exposure or worse from an administrative import path, with no confirmed exploitation in the provided evidence.

Technical view

admin/user_import.php reads XML without disabling external entity loading, creating an XXE condition. The available sources point to Chamilo 1.11.x, a Chamilo fixing commit, PHP libxml entity-loader guidance, and a public authenticated LFI/RCE writeup. Exact fixed release details are not present in the bundle.

Likely exposure

Exposure is most likely in Chamilo 1.11.x deployments where the user import feature is reachable by authenticated users with import privileges. Publicly reachable admin interfaces increase concern, but the bundle does not establish unauthenticated reachability.

Exploitation context

CISA KEV is false, and the provided sources do not show active exploitation. However, public technical discussion exists, and the vendor-described impact is serious if an attacker can access the user-import XML path.

Researcher notes

The bundle lacks CVSS, CWE, CPE, and exact fixed-version metadata. Analysis relies on the CVE description, Chamilo commit, vendor security issue, PHP XML parser guidance, and the public authenticated LFI/RCE writeup. Avoid overstating unauthenticated exposure or exploitation.

Mitigation direction

  • Apply Chamilo's linked fix or upgrade to a release containing it.
  • Check Chamilo security guidance for the exact fixed version.
  • Restrict access to user import and admin paths to trusted administrators.
  • Disable XML external entity loading where Chamilo parses XML.
  • Monitor for unexpected use of the user import feature.

Validation and detection

  • Inventory Chamilo deployments and identify any 1.11.x instances.
  • Review admin/user_import.php for the linked fix behavior.
  • Confirm XML parsing disables external entity loading.
  • Verify only trusted administrators can access user import.
  • Check logs for unusual user-import activity around the disclosure period.
Prepared
Confidence
medium
Sources
6

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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