CVE-2021-37842

metakv in Couchbase Server 7.0.0 uses Cleartext for Storage of Sensitive Information. Remote Cluster XDCR credentials can get leaked in debug logs. Config key tombstone purging was added in Couchbase Server 7.0.0. This issue happens when a config key, which is being logged, has a tombstone purger time-stamp attached to it.

• CWE-312

• https://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes, Vendor Advisory
• https://www.couchbase.com/alertsVendor Advisory
• https://docs.couchbase.com/server/current/release-notes/relnotes.htmlRelease Notes, Vendor Advisory
• https://www.couchbase.com/alertsVendor Advisory

Published

Nov 2, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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