CVE-2020-17516: Authentication Bypass by Spoofing

February 3, 2021 (updated September 16, 2021)

When using ‘dc’ or ‘rack’ internode_encryption setting, allows both encrypted and unencrypted internode connections. A misconfigured node or a malicious user can use the unencrypted connection despite not being in the same rack or dc, and bypass mutual TLS requirement.

References

mail-archives.apache.org/mod_mbox/cassandra-user/202102.mbox/%3c6E4340A5-D7BE-4D33-9EC5-3B505A626D8D@apache.org%3e
lists.apache.org/thread.html/rd84bec24907617bdb72f7ec907cd7437a0fd5a8886eb55aa84dd1eb8@%3Ccommits.cassandra.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2020-17516

Code Behaviors & Features

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