{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-47842",
        "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
        "state": "PUBLISHED",
        "assignerShortName": "vmware",
        "dateReserved": "2026-05-20T10:00:51.004Z",
        "datePublished": "2026-08-26T19:22:23.745Z",
        "dateUpdated": "2026-08-26T19:45:25.424Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
                "shortName": "vmware",
                "dateUpdated": "2026-08-26T19:22:23.745Z"
            },
            "title": "Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "CWE-329 Generation of Predictable IV with CBC Mode",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "impacts": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "value": "Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initialization vector."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Spring",
                    "product": "Spring Security",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "7.1.0",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "7.0.0",
                            "lessThanOrEqual": "7.0.6",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "6.5.0",
                            "lessThanOrEqual": "6.5.11",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "6.4.0",
                            "lessThanOrEqual": "6.4.18",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "5.8.0",
                            "lessThanOrEqual": "5.8.27",
                            "versionType": "custom"
                        },
                        {
                            "status": "affected",
                            "version": "5.7.0",
                            "lessThanOrEqual": "5.7.25",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initialization vector.\nSpring Security 7.1.0\nSpring Security 7.0.0 - 7.0.6\nSpring Security 6.5.0 - 6.5.11\nSpring Security 6.4.0 - 6.4.18\nSpring Security 5.8.0 - 5.8.27\nSpring Security 5.7.0 - 5.7.25",
                    "supportingMedia": [
                        {
                            "type": "text/html",
                            "base64": false,
                            "value": "<p>Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initialization vector.</p><p>Spring Security 7.1.0<br/>Spring Security 7.0.0 - 7.0.6<br/>Spring Security 6.5.0 - 6.5.11<br/>Spring Security 6.4.0 - 6.4.18<br/>Spring Security 5.8.0 - 5.8.27<br/>Spring Security 5.7.0 - 5.7.25</p>"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://spring.io/security/cve-2026-47842"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "GENERAL"
                        }
                    ],
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
                        "baseScore": 6.5,
                        "baseSeverity": "MEDIUM",
                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "LOW",
                        "userInteraction": "NONE",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "NONE"
                    }
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            }
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-26T19:31:49.138588Z",
                                "id": "CVE-2026-47842",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
                        }
                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-26T19:45:25.424Z"
                }
            }
        ]
    }
}