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CVE-2024-31884 is an improper certificate validation flaw in Ceph’s Pybind-based handling of secure mail connections. When Ceph invokes Python SSL-enabled mail client constructors such as imaplib.IMAP4_SSL or smtplib.SMTP_SSL through Pybind, no certificate validation context is passed to those constructors. As a result, the server X.509 certificate is not properly validated and Ceph may accept any certificate presented by the remote mail server. This breaks the trust guarantees expected from TLS and exposes Ceph-integrated mail workflows to interception. The issue is classified as CWE-295.
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Cross-references every affected SKU, including bundled OEM variants.
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