A vulnerability has been found in ILIAS up to 8.23/9.13/10.1. This affects the function unserialize of the component Base64 Decoding Handler. Such manipulation of the argument f_settings leads to deserialization. It is possible to launch the attack remotely. Upgrading to version 8.24, 9.14 and 10.2 is able to mitigate this issue. It is advisable to upgrade the affected component.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00049.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Ilias Subscribe
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Configuration 1 [-]

OR cpe:2.3:a:ilias:ilias:8.23:*:*:*:*:*:*:*
cpe:2.3:a:ilias:ilias:9.13:*:*:*:*:*:*:*
cpe:2.3:a:ilias:ilias:10.1:*:*:*:*:*:*:*

No data.

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Vendors Products
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Advisories
Source ID Title
EUVD EUVD EUVD-2025-32586 A vulnerability has been found in ILIAS up to 8.23/9.13/10.1. This affects the function unserialize of the component Base64 Decoding Handler. Such manipulation of the argument f_settings leads to deserialization. It is possible to launch the attack remotely. Upgrading to version 8.24, 9.14 and 10.2 is able to mitigate this issue. It is advisable to upgrade the affected component.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://vuldb.com/?ctiid.327231 cve-icon cve-icon
https://vuldb.com/?id.327231 cve-icon cve-icon
https://vuldb.com/?submit.664892 cve-icon cve-icon
https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2025-2113 cve-icon cve-icon
History

Wed, 15 Oct 2025 04:45:00 +0900

Type Values Removed Values Added
CPEs cpe:2.3:a:ilias:ilias:10.1:*:*:*:*:*:*:*
cpe:2.3:a:ilias:ilias:8.23:*:*:*:*:*:*:*
cpe:2.3:a:ilias:ilias:9.13:*:*:*:*:*:*:*

Wed, 08 Oct 2025 22:45:00 +0900

Type Values Removed Values Added
First Time appeared Ilias
Ilias ilias
Vendors & Products Ilias
Ilias ilias

Tue, 07 Oct 2025 05:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 07 Oct 2025 04:45:00 +0900

Type Values Removed Values Added
Description A vulnerability has been found in ILIAS up to 8.23/9.13/10.1. This affects the function unserialize of the component Base64 Decoding Handler. Such manipulation of the argument f_settings leads to deserialization. It is possible to launch the attack remotely. Upgrading to version 8.24, 9.14 and 10.2 is able to mitigate this issue. It is advisable to upgrade the affected component.
Title ILIAS Base64 Decoding unserialize deserialization
Weaknesses CWE-20
CWE-502
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2025-10-06T19:43:16.138Z

Reserved: 2025-10-06T06:15:37.942Z

Link: CVE-2025-11346

cve-icon Vulnrichment

Updated: 2025-10-06T19:43:07.562Z

cve-icon NVD

Status : Analyzed

Published: 2025-10-06T20:15:35.313

Modified: 2025-10-14T19:33:52.257

Link: CVE-2025-11346

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-10-08T22:39:04Z

Weaknesses