{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-23385",
        "assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
        "assignerShortName": "snyk",
        "dateUpdated": "2024-09-16T22:08:36.808Z",
        "dateReserved": "2021-01-08T00:00:00.000Z",
        "datePublished": "2022-08-02T13:25:14.717Z"
    },
    "containers": {
        "cna": {
            "title": "Open Redirect",
            "datePublic": "2022-08-02T00:00:00.000Z",
            "providerMetadata": {
                "orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
                "shortName": "snyk",
                "dateUpdated": "2023-08-28T18:06:09.073Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "This affects all versions of package Flask-Security. When using the get_post_logout_redirect and get_post_login_redirect functions, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as \\\\\\evil.com/path. This vulnerability is only exploitable if an alternative WSGI server other than Werkzeug is used, or the default behaviour of Werkzeug is modified using 'autocorrect_location_header=False. **Note:** Flask-Security is not maintained anymore."
                }
            ],
            "affected": [
                {
                    "vendor": "n/a",
                    "product": "Flask-Security",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "lessThan": "unspecified",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234"
                },
                {
                    "url": "https://github.com/mattupstate/flask-security"
                },
                {
                    "url": "https://snyk.io/blog/url-confusion-vulnerabilities/"
                },
                {
                    "name": "[debian-lts-announce] 20230828 [SECURITY] [DLA 3545-1] flask-security security update",
                    "tags": [
                        "mailing-list"
                    ],
                    "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Noam Moshe of Claroty"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:U/RC:C",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "LOW",
                        "availabilityImpact": "NONE",
                        "exploitCodeMaturity": "PROOF_OF_CONCEPT",
                        "remediationLevel": "UNAVAILABLE",
                        "reportConfidence": "CONFIRMED",
                        "baseScore": 5.4,
                        "temporalScore": 5.1,
                        "baseSeverity": "MEDIUM",
                        "temporalSeverity": "MEDIUM"
                    }
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "Open Redirect"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T19:05:55.663Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://security.snyk.io/vuln/SNYK-PYTHON-FLASKSECURITY-1293234",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/mattupstate/flask-security",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://snyk.io/blog/url-confusion-vulnerabilities/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "name": "[debian-lts-announce] 20230828 [SECURITY] [DLA 3545-1] flask-security security update",
                        "tags": [
                            "mailing-list",
                            "x_transferred"
                        ],
                        "url": "https://lists.debian.org/debian-lts-announce/2023/08/msg00034.html"
                    }
                ]
            }
        ]
    }
}