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CVE-2021-37842

7.5 · HIGH

metakv in Couchbase Server 7.0.0 uses Cleartext for Storage of Sensitive Information.

Published Nov 2, 2021CWE-312EPSS 0.61%

Overview

CVE-2021-37842 is a high-severity vulnerability. It was published on November 2, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refdocs.couchbase.com/server/current/release-notes/relnotes.htmlRefwww.couchbase.com/alertsRefdocs.couchbase.com/server/current/release-notes/relnotes.htmlRefwww.couchbase.com/alerts

How CyberStrike helps

Frequently asked questions

What is CVE-2021-37842?

CVE-2021-37842 is a high-severity vulnerability. It was published on November 2, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2021-37842?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2021-37842?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-37842?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-37842 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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