{"id":"CVE-2025-3985","state":"PUBLISHED","title":"Apereo CAS ResponseEntity redos","description":"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.","publishedAt":"2025-04-27T20:31:06.556Z","updatedAt":"2025-04-28T18:09:01.110Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["Apereo CAS"],"affected":[{"vendor":"Apereo","product":"CAS","versions":[{"version":"5.2.6","status":"affected"}]}],"references":["https://vuldb.com/?id.306321","https://vuldb.com/?ctiid.306321","https://vuldb.com/?submit.557110","https://wx.mail.qq.com/s?k=lzDuxVkSRXUZ0bwZEG"],"weaknesses":["CWE-1333","CWE-400"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/3xxx/CVE-2025-3985.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-3985","state":"PUBLISHED","datePublished":"2025-04-27T20:31:06.556Z","dateUpdated":"2025-04-28T18:09:01.110Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2025-04-26T08:07:05.931Z"},"containers":{"cna":{"title":"Apereo CAS ResponseEntity redos","descriptions":[{"lang":"en","value":"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."},{"lang":"de","value":"Es wurde eine Schwachstelle in Apereo CAS 5.2.6 ausgemacht. Sie wurde als problematisch eingestuft. Hiervon betroffen ist die Funktion ResponseEntity der Datei cas-5.2.6\\webapp-mgmt\\cas-management-webapp-support\\src\\main\\java\\org\\apereo\\cas\\mgmt\\services\\web\\ManageRegisteredServicesMultiActionController.java. Durch Manipulation des Arguments Query mit unbekannten Daten kann eine inefficient regular expression complexity-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk angegangen werden. Der Exploit steht zur öffentlichen Verfügung."}],"affected":[{"vendor":"Apereo","product":"CAS","versions":[{"version":"5.2.6","status":"affected"}]}],"references":[{"url":"https://vuldb.com/?id.306321","name":"VDB-306321 | Apereo CAS ResponseEntity redos","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.306321","name":"VDB-306321 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.557110","name":"Submit #557110 | Apereo CAS v5.2.6 ReDos regular expression engine denial of service","tags":["third-party-advisory"]},{"url":"https://wx.mail.qq.com/s?k=lzDuxVkSRXUZ0bwZEG","tags":["exploit"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.1,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":2.7,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":2.7,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":3.3,"vectorString":"AV:N/AC:L/Au:M/C:N/I:N/A:P"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","type":"CWE","lang":"en","description":"Inefficient Regular Expression Complexity"}]},{"descriptions":[{"cweId":"CWE-400","type":"CWE","lang":"en","description":"Resource Consumption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2025-04-27T20:31:06.556Z"},"timeline":[{"time":"2025-04-26T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2025-04-26T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2025-04-26T10:12:15.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"caichaoxiong (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-28T18:02:23.445535Z","id":"CVE-2025-3985","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-28T18:09:01.110Z"}}]}}}