ILIAS up to 8.23/9.13/10.1 Base64 Decoding unserialize f_settings deserialization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in ILIAS up to 8.23/9.13/10.1. This vulnerability affects the function unserialize of the component Base64 Decoding Handler. Performing a manipulation of the argument f_settings results in deserialization. This vulnerability is identified as CVE-2025-11346. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in ILIAS up to 8.23/9.13/10.1. This affects the function unserialize of the component Base64 Decoding Handler. The manipulation of the argument f_settings with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at wid.cert-bund.de. This vulnerability is uniquely identified as CVE-2025-11346. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 8.24, 9.14 or 10.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2221). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source ILIAS

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ILIAS 8.24/9.14/10.2

Timelineinfo

10/06/2025 Advisory disclosed
10/06/2025 +0 days VulDB entry created
10/15/2025 +9 days VulDB entry last update

Sourcesinfo

Advisory: SEC-2025-2113
Status: Confirmed

CVE: CVE-2025-11346 (🔒)
GCVE (CVE): GCVE-0-2025-11346
GCVE (VulDB): GCVE-100-327231
CERT Bund: WID-SEC-2025-2221 - ILIAS: Mehrere Schwachstellen

Entryinfo

Created: 10/06/2025 08:20
Updated: 10/15/2025 09:15
Changes: 10/06/2025 08:20 (54), 10/07/2025 06:54 (30), 10/07/2025 15:43 (7), 10/15/2025 09:15 (11)
Complete: 🔍
Submitter: rehme_srlabs
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #664892: ILIAS open source e-Learning e. V. ILIAS >=8.0.0, <=10.1 Deserialization (by rehme_srlabs)

Be aware that VulDB is the high quality source for vulnerability data.

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