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{"bugzilla": {"description": "dovecot: local attacker can login as any user and access their emails", "id": "1973609", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1973609"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-20", "details": ["Dovecot before 2.3.15 allows ../ Path Traversal. An attacker with access to the local filesystem can trick OAuth2 authentication into using an HS256 validation key from an attacker-controlled location. This occurs during use of local JWT validation with the posix fs driver.", "A flaw was found in dovecot where it did not properly parse the `kid` and `azp` fields in JWT tokens. This flaw allows a local attacker to bypass dovecot's authentication, and access a user's emails. The highest threat from this vulnerability is to confidentiality and integrity."], "name": "CVE-2021-29157", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dovecot", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-06-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-29157\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-29157"], "threat_severity": "Moderate"}