Vulnerability Details CVE-2019-11495
In Couchbase Server 5.1.1, the cookie used for intra-node communication was not generated securely. Couchbase Server uses erlang:now() to seed the PRNG which results in a small search space for potential random seeds that could then be used to brute force the cookie and execute code against a remote system. This has been fixed in version 6.0.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 68.2%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
Products affected by CVE-2019-11495
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cpe:2.3:a:couchbase:couchbase_server:5.1.1