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CVE-2025-3984— Apereo CAS Groovy Code RegisteredServiceSimpleFormController.java saveService code injection

Quick assessment

Affected
Apereo CAS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apereo CAS是Apereo开源的一套基于Web的企业多语言单点登录解决方案。 Apereo CAS 5.2.6版本存在注入漏洞，该漏洞源于文件cas-5.2.6webapp-mgmtcas-management-webapp-supportsrcmainjavaorgapereocasmgmtserviceswebRegisteredServiceSimpleFormController.java中函数saveService导致代码注入。

CVSS 5.0 · Medium EPSS 0.45% · P37

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-3984

Vulnerability Information
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Vulnerability Title
Apereo CAS Groovy Code RegisteredServiceSimpleFormController.java saveService code injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Apereo CAS 5.2.6 and classified as critical. Affected by this issue is the function saveService of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\RegisteredServiceSimpleFormController.java of the component Groovy Code Handler. The manipulation leads to code injection. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Apereo CAS 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apereo CAS是Apereo开源的一套基于Web的企业多语言单点登录解决方案。 Apereo CAS 5.2.6版本存在注入漏洞，该漏洞源于文件cas-5.2.6webapp-mgmtcas-management-webapp-supportsrcmainjavaorgapereocasmgmtserviceswebRegisteredServiceSimpleFormController.java中函数saveService导致代码注入。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apereo CAS 5.2.6 -

II. Public POCs for CVE-2025-3984

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III. Intelligence Information for CVE-2025-3984

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Vendor Advisories for CVE-2025-3984 (2)

Other References for CVE-2025-3984 (1)

Same Patch Batch · Apereo · 2025-04-27 · 3 CVEs total

CVE-2025-3986 4.3 MEDIUM Apereo CAS CasConfigurationMetadataServerController.java redos
CVE-2025-3985 2.7 LOW Apereo CAS ResponseEntity redos

IV. Related Vulnerabilities

Same product: CAS
Same vendor: Apereo
Same weakness: CWE-94

V. Comments for CVE-2025-3984

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