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{"affected_release": [{"advisory": "RHSA-2021:4826", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "mailman:2.1-8050020211109091611.aa3ced04", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-11-23T00:00:00Z"}, {"advisory": "RHSA-2021:4838", "cpe": "cpe:/a:redhat:rhel_eus:8.1", "package": "mailman:2.1-8010020211110115755.656b880e", "product_name": "Red Hat Enterprise Linux 8.1 Extended Update Support", "release_date": "2021-11-24T00:00:00Z"}, {"advisory": "RHSA-2021:4837", "cpe": "cpe:/a:redhat:rhel_eus:8.2", "package": "mailman:2.1-8020020211110111201.c3a0935b", "product_name": "Red Hat Enterprise Linux 8.2 Extended Update Support", "release_date": "2021-11-24T00:00:00Z"}, {"advisory": "RHSA-2021:4839", "cpe": "cpe:/a:redhat:rhel_eus:8.4", "package": "mailman:2.1-8040020211109094506.70584597", "product_name": "Red Hat Enterprise Linux 8.4 Extended Update Support", "release_date": "2021-11-24T00:00:00Z"}], "bugzilla": {"description": "mailman: CSRF token derived from admin password allows offline brute-force attack", "id": "2020575", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2020575"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "status": "verified"}, "cwe": "CWE-200", "details": ["GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.", "Sensitive information is exposed to unprivileged users in mailman. The hash of the list admin password is used to derive the CSRF (Cross-site Request Forgery) token, which is exposed to unprivileged members of a list. Malicious members may use the CSRF token to perform an offline brute-force attack to retrieve the list admin password."], "name": "CVE-2021-42096", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "mailman", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "mailman", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2021-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-42096\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-42096"], "statement": "This issue did not affect the versions of mailman as shipped with Red Hat Enterprise Linux 6, and 7 as they did not use CSRF tokens in members pages.", "threat_severity": "Moderate", "upstream_fix": "mailman 2.1.35"}