CVE-2025-3985 json
Apereo CAS ResponseEntity redos
published last yr. modified 4mo ago also GHSA-8rx4-fxq5-vj4v , EUVD-2025-12427
- cvss
- 2.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
A vulnerability was found in Apereo CAS 5.2.6. It has been classified as problematic. This affects the function ResponseEntity of the file cas-5.2.6\webapp-mgmt\cas-management-webapp-support\src\main\java\org\apereo\cas\mgmt\services\web\ManageRegisteredServicesMultiActionController.java. The manipulation of the argument Query leads to inefficient regular expression complexity. It is possible to initiate the attack remotely. 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.
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.63% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- wx.mail.qq.com https://wx.mail.qq.com/s?k=lzDuxVkSRXUZ0bwZEG referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
| CNA | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
| CNA | 3.0 | 2.7 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
| CNA | 2.0 | 3.3 | AV:N/AC:L/Au:M/C:N/I:N/A:P |
| CNA | 4.0 | 5.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 2.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.apereo.cas:cas-management-webapp-support | <=5.2.6 |
no fix listed |
Affected products
- Apereo CAS
Classification
References
-
wx.mail.qq.com
/s?k=lzDuxVkSRXUZ0bwZEG
exploit, web, not-applicable
-
vuldb.com
/?id.306321
vdb-entry, technical-description, web, third-party-advisory
-
vuldb.com
/?ctiid.306321
signature, permissions-required, web, vdb-entry
-
vuldb.com
/?submit.557110
third-party-advisory, web, vdb-entry
-
nvd.nist.gov
/vuln/detail/CVE-2025-3985
advisory
-
github.com
/apereo/cas
package
Sources
- CVE List CVE-2025-3985
- GitHub Advisory GHSA-8rx4-fxq5-vj4v
- NVD CVE-2025-3985
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.