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        "state": "PUBLISHED",
        "assignerShortName": "CERT-PL",
        "dateReserved": "2023-08-30T06:31:53.251Z",
        "datePublished": "2023-11-09T13:41:38.189Z",
        "dateUpdated": "2025-02-26T21:25:31.425Z"
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            "affected": [
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                    "collectionURL": "https://www.apereo.org/projects/cas",
                    "defaultStatus": "unknown",
                    "product": "CAS",
                    "vendor": "Apereo Foundation",
                    "versions": [
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                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
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                {
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                    "type": "finder",
                    "user": "00000000-0000-4000-9000-000000000000",
                    "value": "Maksym Brzęczek (efigo.pl)"
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            "datePublic": "2023-11-09T14:00:00.000Z",
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                            "type": "text/html",
                            "value": "Improper Authentication vulnerability in Apereo CAS in&nbsp;<span style=\"background-color: rgb(255, 255, 255);\">jakarta.servlet.http.HttpServletRequest.getRemoteAddr method</span> allows Multi-Factor Authentication bypass.<p>This issue affects CAS: through 7.0.0-RC7. It is unknown whether in new versions the issue will be fixed. For the date of publication there is no patch, and the vendor does not treat it as a vulnerability.</p><div><div><br></div></div><p></p>"
                        }
                    ],
                    "value": "Improper Authentication vulnerability in Apereo CAS in jakarta.servlet.http.HttpServletRequest.getRemoteAddr method allows Multi-Factor Authentication bypass.This issue affects CAS: through 7.0.0-RC7. It is unknown whether in new versions the issue will be fixed. For the date of publication there is no patch, and the vendor does not treat it as a vulnerability."
                }
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                            "lang": "en",
                            "value": "CAPEC-115 Authentication Bypass"
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                }
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                    "descriptions": [
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                            "cweId": "CWE-302",
                            "description": "CWE-302 Authentication Bypass by Assumed-Immutable Data",
                            "lang": "en",
                            "type": "CWE"
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                "dateUpdated": "2024-10-10T15:35:59.524Z"
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                    "url": "https://cert.pl/posts/2023/11/CVE-2023-4612/"
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                    "url": "https://cert.pl/en/posts/2023/11/CVE-2023-4612/"
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            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "MFA bypass in Apereo CAS",
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                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T07:31:06.563Z"
                },
                "title": "CVE Program Container",
                "references": [
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                        "url": "https://cert.pl/posts/2023/11/CVE-2023-4612/"
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                        "url": "https://cert.pl/en/posts/2023/11/CVE-2023-4612/"
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            },
            {
                "metrics": [
                    {
                        "cvssV3_1": {
                            "scope": "UNCHANGED",
                            "version": "3.1",
                            "baseScore": 9.8,
                            "attackVector": "NETWORK",
                            "baseSeverity": "CRITICAL",
                            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                            "integrityImpact": "HIGH",
                            "userInteraction": "NONE",
                            "attackComplexity": "LOW",
                            "availabilityImpact": "HIGH",
                            "privilegesRequired": "NONE",
                            "confidentialityImpact": "HIGH"
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                    },
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2023-11-17T19:57:40.527274Z",
                                "id": "CVE-2023-4612",
                                "options": [
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                                        "Exploitation": "none"
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                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2025-02-26T21:25:31.425Z"
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