CVE-2020-36944Public exploitNetwork attack vectorHinoki check available

Local file disclosure via portfolio PDF export

Published Jan 28, 2026 · Updated Jan 28, 2026

Server-side request forgery in ILIAS 4.3 through 5.1 allows attackers to read local files through portfolio PDF export. The portfolio PDF export renderer executes injected script content and permits its XMLHttpRequest to retrieve local-file contents. Attackers must place active script content in a portfolio processed by the exporter, and disclosure is limited to files readable by that process.

CVSS severity6.9
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Server-side request forgery in ILIAS 4.3 through 5.1 allows attackers to read local files through portfolio PDF export. The portfolio PDF export renderer executes injected script content and permits its XMLHttpRequest to retrieve local-file contents. Attackers must place active script content in a portfolio processed by the exporter, and disclosure is limited to files readable by that process.

The record

CVE
CVE-2020-36944
Published
Jan 28, 2026
Updated
Jan 28, 2026
Vendor
ILIAS open source e-Learning e.V.
Product
ILIAS
Classifications
CWE-918, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 28, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 28, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=4.3-5.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ILIAS open source e-Learning e.V. · ILIASversion=4.3-5.1

Published CVSS scores

6.9VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
4.0VulnCheckCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.3NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1005Data from Local System

Public exploit references

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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