Vault AWS auth method bypass due to AWS client cache_CVE-2025-11621

{
    "lastseen": "",
    "description": "Vault and Vault Enterprise\u2019s (\u201cVault\u201d) AWS Auth method may be susceptible to authentication bypass if the role of the configured bound_principal_iam is the same across AWS accounts, or uses a wildcard. This vulnerability, CVE-2025-11621, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.21.0, 1.20.5, 1.19.11, and 1.16.27",
    "published": "2025-10-23T19:08:54.989Z",
    "modified": "2025-10-23T20:31:43.354Z",
    "type": "cve",
    "title": "Vault AWS auth method bypass due to AWS client cache",
    "source": "HashiCorp",
    "references": "https://discuss.hashicorp.com/t/hcsec-2025-30-vault-aws-auth-method-authentication-bypass-through-mishandling-of-cache-entries/76709",
    "id": "CVE-2025-11621",
    "bulletinFamily": "",
    "cwe": [
        "CWE-288"
    ],
    "cvelist": null,
    "sourceData": "HashiCorp Vault 0.6.0\nHashiCorp Vault Enterprise 0.6.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.1,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N",
        "version": "3.1"
    },
    "cvss2": [],
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        "baseScore": 0,
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        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Vault",
    "version": "0.6.0",
    "vendor": "HashiCorp",
    "ai_description": "",
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    "ai_score": 0
}